Blood flow
The label states that the product supports blood flow. The underlying rationale is the nitric oxide pathway, which regulates how blood vessels widen and narrow.
Dietary supplement · Independent review
Nitric Boost Ultra – Nitric Oxide, Blood Flow & Performance Support
A powdered supplement whose label names L-Arginine, Beet Root and Pomegranate. This page separates what the packaging actually says from what the published research on those ingredients can — and cannot — support.
- Powder, 30 servings per jar
- 30 verified studies cited
- No product trials exist
Nitric Boost Ultra at a glance
- Product type
- Dietary supplementPowdered drink mix, not a capsule or a medicine
- Label ingredients
- L-Arginine, Beet Root, PomegranateAs printed on the front of the packaging
- Jar size
- 30 servingsOne serving per day as the intended pattern of use
- Guarantee
- 180 daysPer the seller’s official pricing panel
Overview
What Is Nitric Boost Ultra?
Short answer
Nitric Boost Ultra is a powdered dietary supplement sold in a jar of 30 servings. Its front label reads “Supports Blood Flow & Performance” and names L-Arginine, Beet Root and Pomegranate. It is sold online, with ClickBank handling the checkout. It is a food supplement, not a medicine.
The product is positioned in the men’s wellness and performance category, built around the idea of supporting the body’s own nitric oxide pathway. The jar carries the ScienceNitric brand mark and describes itself plainly as a dietary supplement.
That framing matters, because it sets the limits of what can honestly be said. Dietary supplements in the United States are regulated broadly as foods. They are not assessed for safety and effectiveness before they go on sale, and they are not permitted to be marketed as treatments for disease. Anything you read about this product — here or anywhere else — should be read against that background.
Throughout this page we distinguish carefully between three separate things: what the packaging states, what independent research has examined about the named ingredients, and what remains unverified. Keeping those apart is the whole point. You can jump straight to the ingredient breakdown, the research library, or the pricing details.
Positioning
What Is Nitric Boost Ultra Designed to Support?
These are the areas the product is marketed for, based on its own packaging and sales materials. They are claims about intent, not demonstrated outcomes.
Physical performance
Marketing materials reference stamina, workout output and recovery. Research on dietary nitrate and exercise exists, but it studied isolated compounds, not this blend.
Men’s wellness
The product is aimed primarily at men. We cover the relevant physiology in a dedicated section without presenting it as treatment for any condition.
What this product is not marketed to do
Nitric Boost Ultra is not a treatment for erectile dysfunction, high blood pressure, heart disease or any other medical condition, and nothing on this page should be read as suggesting it is. It is not a substitute for prescribed medication. It has not been evaluated by the FDA, and it is not intended to diagnose, treat, cure or prevent any disease.
Formula
Nitric Boost Ultra Ingredients
Three ingredients are printed on the front of the packaging. We treat those as confirmed and everything else as unconfirmed, because that is what the available materials actually support.
On the label
L-Arginine
- What it is
- A semi-essential amino acid found in meat, dairy, nuts and legumes, and available as a supplement ingredient.
- Why it is included
- It is the direct substrate that nitric oxide synthase enzymes convert into nitric oxide, making it the most biochemically obvious choice for a product built on this pathway.
- What has been studied
- Meta-analyses of oral L-arginine and blood pressure, its effect on maximal oxygen uptake, and its use in men with erectile dysfunction.
- What the evidence suggests
- Pooled analyses report modest average reductions in blood pressure. Effects on aerobic capacity are small and inconsistent across trials.
- Limitations
- Trials used isolated L-arginine at defined doses. The per-serving amount in this product is not published in the materials we inspected, so no comparison with trial doses is possible.
- Safety notes
- May add to the effect of blood-pressure medicines and vasodilators. Discuss with a clinician if you take nitrates, antihypertensives or PDE-5 inhibitors.
On the label
Beet Root
- What it is
- The root of Beta vulgaris, naturally rich in inorganic nitrate. It is the most heavily researched ingredient in this formula.
- Why it is included
- Dietary nitrate feeds a second route to nitric oxide that bypasses the enzyme pathway: bacteria on the tongue reduce nitrate to nitrite, which the body can further convert to nitric oxide.
- What has been studied
- Multiple meta-analyses of beetroot juice and blood pressure, randomised trials in people with hypertension, endothelial function studies, and umbrella reviews of exercise performance.
- What the evidence suggests
- Pooled trials report measurable average reductions in blood pressure. Performance effects appear real but small, and vary by population and exercise type.
- Limitations
- Nearly all of this research used concentrated beetroot juice or measured nitrate salts. Nitrate content in beet powder varies widely by source and processing and is not stated here.
- Safety notes
- Can lower blood pressure additively with antihypertensive medication. Harmless red discolouration of urine or stool is common.
On the label
Pomegranate
- What it is
- A fruit rich in polyphenols, particularly punicalagins and anthocyanins, used in supplements as juice powder or standardised extract.
- Why it is included
- Its polyphenols are studied for antioxidant activity. The proposed link to this pathway is that reducing oxidative stress may help preserve nitric oxide once it is produced.
- What has been studied
- Meta-analyses of pomegranate juice and blood pressure, reviews of its effects on endothelial function, and one small crossover trial in men with erectile dysfunction.
- What the evidence suggests
- Blood pressure meta-analyses report modest average effects. The erectile dysfunction trial did not reach statistical significance on its primary endpoint.
- Limitations
- Most trials used juice. Polyphenol content differs enormously between juice, extract and powder, so trial results do not transfer cleanly to a powdered blend.
- Safety notes
- Generally well tolerated as a food. Concentrated extracts have been reported to interact with some medicines; check with a pharmacist if you take prescription drugs.
Formulation logic
Understanding the Formula
Read together, the three confirmed ingredients describe a coherent design. They approach the same target — nitric oxide availability — from three different angles rather than repeating one mechanism three times.
L-Arginine supplies the raw material. Nitric oxide synthase enzymes convert arginine into nitric oxide directly, so adding arginine is the most direct way to feed that reaction. Beet root opens a second, independent route. The nitrate it contains is reduced first to nitrite by bacteria in the mouth and then onward to nitric oxide, a pathway that works without the enzyme and that becomes relatively more important when oxygen is low. Pomegranate targets preservation rather than production. Nitric oxide is short-lived and is readily inactivated by oxidative stress, so the rationale for a polyphenol-rich ingredient is protecting what has already been made.
That is a sensible structure on paper. But a sensible structure is not the same as a demonstrated result, and two gaps sit between the two. The first is dose: every ingredient studied in the research below was given at a specific, measured amount, and without a published Supplement Facts panel there is no way to know whether this product delivers comparable amounts. The second is form. Beet juice and beet powder are not interchangeable, and neither are pomegranate juice and pomegranate extract.
This is the honest position: the formula is built on real, well-documented biology, and it has not been tested as a finished product.
Physiology
How Nitric Oxide Works in the Body
Short answer
Nitric oxide is a gas your body produces as a signalling molecule. In the circulation it is released by the cells lining your blood vessels and tells the surrounding muscle to relax, which widens the vessel and increases flow.
The discovery that a gas could act as a signal in the cardiovascular system was significant enough to earn the 1998 Nobel Prize in Physiology or Medicine. Nitric oxide is now understood as a fundamental regulator across many systems, from circulation to nerve signalling to immune defence.
The body makes it in two ways. The first runs through a family of enzymes called nitric oxide synthases, which convert L-arginine into nitric oxide. The endothelial form of this enzyme is responsible for most of the nitric oxide that governs vascular tone. The second is the nitrate–nitrite–nitric oxide pathway, which starts with nitrate from food. Bacteria on the surface of the tongue reduce that nitrate to nitrite, which circulates and can be converted onward to nitric oxide in the tissues. This second route becomes more important precisely when the enzyme route struggles, such as when oxygen availability is low during hard exercise.
Nitric oxide is also extremely short-lived, surviving only seconds before being inactivated. The body is therefore producing it continuously rather than storing it, which is why factors that destroy it — oxidative stress in particular — matter as much as factors that create it.
Vascular biology
Nitric Oxide and Blood Vessel Function
Every blood vessel is lined with a single layer of cells called the endothelium. For a long time this was assumed to be inert plumbing. It is not. The endothelium continuously senses conditions inside the vessel — the shear force of blood moving across it, circulating signals, local oxygen levels — and responds by releasing nitric oxide.
When it does, nitric oxide diffuses into the smooth muscle layer beneath and triggers relaxation. The vessel widens, resistance falls, and more blood passes through at lower pressure. This process, vasodilation, is how the body redirects blood toward working muscle during exercise and away from it at rest.
When the endothelium cannot produce enough nitric oxide, the research literature describes the result as endothelial dysfunction. Reduced nitric oxide availability is documented as a feature of impaired vascular function and is studied as an early marker in cardiovascular disease.
An important boundary. That reduced nitric oxide availability is associated with vascular disease does not mean a supplement that targets the pathway treats or prevents that disease. Those are different claims requiring different evidence. Blood pressure and cardiovascular risk are matters for a clinician, not for a supplement label.
Exercise science
Nitric Oxide and Exercise Performance
Short answer
Research has investigated dietary nitrate in relation to exercise performance, and pooled analyses do report effects. Those effects are generally small, inconsistent between studies, and were produced by measured doses of isolated compounds — not by any finished commercial product.
This is the most actively researched area in the whole nitric oxide field, and it is worth understanding why. Two mechanisms are usually proposed. The first is improved blood flow to working muscle, delivering oxygen and nutrients more efficiently. The second is subtler and better supported: nitrate supplementation appears to reduce the oxygen cost of exercise, meaning the same workload requires slightly less oxygen than it otherwise would.
Nitric oxide also acts inside muscle fibres themselves, where it influences calcium handling, contractile function and fatigue.
The findings are genuinely mixed. Endurance trials tend to report the clearest results, with effects that are real but modest. Resistance training results are narrower and less consistent. An umbrella review pooling twenty separate systematic reviews found effects that were small and dependent on population and protocol. Trained athletes often respond less than untrained participants, possibly because their nitric oxide systems are already working well.
All of this describes dietary nitrate as studied. It does not describe Nitric Boost Ultra, which has not been tested.
Education
Nitric Oxide and Men’s Health
This product is marketed primarily to men, so the physiology deserves a clear and careful explanation. Erection is fundamentally a vascular event, and nitric oxide is central to it. Nerve signals and endothelial cells in the penile tissue release nitric oxide, which relaxes smooth muscle in the blood vessels there and allows blood to fill the erectile tissue. The mechanism is well established, and it is precisely why the PDE-5 inhibitor class of prescription medicines works — those drugs act downstream in the same nitric oxide signalling cascade.
That is genuine physiology. Here is where it stops.
What this does not mean
Nitric oxide being involved in erection does not establish that a supplement targeting the pathway treats erectile dysfunction. Nitric Boost Ultra is not a treatment for erectile dysfunction and is not a substitute for prescribed medication.
The US National Center for Complementary and Integrative Health states plainly that no complementary health approach has been shown to be safe and effective for sexual enhancement or for treating erectile dysfunction, and that effective medical treatment is available only through a healthcare provider.
There is a further reason for caution that has nothing to do with whether ingredients work. Erectile dysfunction is frequently an early warning sign of underlying cardiovascular disease, diabetes or hormonal disorders. Treating it as a supplement problem can delay diagnosis of a condition that genuinely needs attention. If you are experiencing persistent erectile difficulty, the single most useful step is a medical assessment.
The most directly relevant evidence for the ingredients here is a systematic review of arginine-family supplements in men with erectile dysfunction, and a small crossover trial of pomegranate juice that did not reach statistical significance. Both are in the research library below, with their limitations stated.
Evidence
What Scientific Research Says
Short answer
The physiology of nitric oxide is well established. Evidence for supplements built on it is mixed: modest average effects on blood pressure, small and inconsistent effects on performance. No published study has tested Nitric Boost Ultra itself.
We searched PubMed for trials of the finished product and found none. That is not unusual — the overwhelming majority of consumer supplements are never tested as finished formulas — but it is the single most important fact on this page, and everything below should be read in that light.
What does exist is a substantial body of research on the individual ingredients. Every study cited below was verified directly against PubMed records: titles, authors, journals, years and identifiers were pulled from the source rather than reproduced from memory. Each card states what the study examined and, just as importantly, what it cannot tell you.
Scientific Reference Disclaimer
The research cited on this website provides general educational information about nitric oxide, dietary ingredients, circulation, exercise physiology and related topics. Unless explicitly stated, these studies did not test the finished Nitric Boost Ultra product and should not be interpreted as proof of product effectiveness.
30 verified studies
Ingredient-by-Ingredient Research
Grouped by ingredient and topic. Every entry links to its PubMed record so you can read the source yourself.
Nitric oxide physiology and signalling
How the body makes nitric oxide and what it does to blood vessels and muscle.Nitric oxide synthases: regulation and function
A widely cited review of the nitric oxide synthase enzymes — how the body actually manufactures nitric oxide from L-arginine, and how that production is regulated in blood vessels.
Read research on PubMedNitric Oxide and Endothelial Dysfunction
Reviews what happens when the endothelium stops producing enough nitric oxide, and why reduced NO availability is treated as a hallmark of vascular dysfunction.
Read research on PubMedNitric oxide and skeletal muscle contractile function
Examines nitric oxide as a signalling molecule inside skeletal muscle, including its role in contraction, blood flow regulation and fatigue.
Read research on PubMedNitric oxide in exercise physiology: past and present perspectives
A recent overview of how thinking about nitric oxide in exercise science has developed, covering nitrate supplementation and muscle function.
Read research on PubMedBeet root and dietary nitrate — blood vessels and blood pressure
Beet root is named on the Nitric Boost Ultra packaging. This is the research on the nitrate it supplies.Mechanisms underlying blood pressure reduction by dietary inorganic nitrate
Explains the proposed mechanisms by which inorganic nitrate from food is reduced to nitrite and then nitric oxide, and how that pathway can influence blood pressure.
Read research on PubMedInorganic nitrate and beetroot juice supplementation reduces blood pressure in adults: a systematic review and meta-analysis
Pooled the available trials of inorganic nitrate and beetroot juice and reported a reduction in blood pressure in the adults studied.
Read research on PubMedThe Nitrate-Independent Blood Pressure-Lowering Effect of Beetroot Juice: A Systematic Review and Meta-Analysis
A meta-analysis investigating whether beetroot juice affects blood pressure through components other than its nitrate content alone.
Read research on PubMedEffects of beetroot juice on blood pressure in hypertension according to European Society of Hypertension Guidelines: A systematic review and meta-analysis
A recent systematic review and meta-analysis assessing beetroot juice specifically in people with hypertension, framed against European guideline thresholds.
Read research on PubMedDietary nitrate provides sustained blood pressure lowering in hypertensive patients: a randomized, phase 2, double-blind, placebo-controlled study
A randomised, double-blind, placebo-controlled trial testing whether dietary nitrate lowers blood pressure over a sustained period in hypertensive patients.
Read research on PubMedBeneficial Effects of Dietary Nitrate on Endothelial Function and Blood Pressure Levels
Reviews the evidence linking dietary nitrate intake with endothelial function measurements and blood pressure levels.
Read research on PubMedImpact of Red Beetroot Juice on Vascular Endothelial Function and Cardiometabolic Responses to a High-Fat Meal in Middle-Aged/Older Adults with Overweight and Obesity: A Randomized, Double-Blind, Placebo-Controlled, Crossover Trial
A randomised crossover trial in middle-aged and older adults with overweight or obesity, testing beetroot juice against a high-fat meal challenge.
Read research on PubMedDietary nitrate and exercise performance
What controlled trials and pooled analyses report about nitrate and physical performance.Dietary Nitrate and Nitric Oxide Metabolism: Mouth, Circulation, Skeletal Muscle, and Exercise Performance
Traces the full dietary nitrate pathway — oral bacteria, circulation, skeletal muscle — and how each step relates to exercise performance.
Read research on PubMedDietary Nitrate Supplementation and Exercise Performance: An Umbrella Review of 20 Published Systematic Reviews with Meta-analyses
An umbrella review pulling together 20 published systematic reviews with meta-analyses on nitrate supplementation and exercise performance.
Read research on PubMedThe effects of dietary nitrate supplementation on endurance exercise performance and cardiorespiratory measures in healthy adults: a systematic review and meta-analysis
A systematic review and meta-analysis of dietary nitrate supplementation, endurance exercise performance and cardiorespiratory measures in healthy adults.
Read research on PubMedEffects of Dietary Nitrate Supplementation on Back Squat and Bench Press Performance: A Systematic Review and Meta-Analysis
Tested whether dietary nitrate supplementation affects performance in two specific resistance-training lifts, the back squat and bench press.
Read research on PubMedEffects of Beetroot Juice on Physical Performance in Professional Athletes and Healthy Individuals: An Umbrella Review
An umbrella review of beetroot juice and physical performance across professional athletes and healthy, non-athlete individuals.
Read research on PubMedL-Arginine
L-Arginine is named on the Nitric Boost Ultra packaging. It is a direct substrate for nitric oxide synthase.Effect of l-Arginine Supplementation on Blood Pressure in Adults: A Systematic Review and Dose-Response Meta-analysis of Randomized Clinical Trials
A dose-response systematic review and meta-analysis of randomised clinical trials examining oral L-arginine supplementation and blood pressure in adults.
Read research on PubMedEffect of oral L-arginine supplementation on blood pressure: a meta-analysis of randomized, double-blind, placebo-controlled trials
An earlier meta-analysis restricted to randomised, double-blind, placebo-controlled trials of oral L-arginine and blood pressure.
Read research on PubMedThe effect of L-arginine supplementation on maximal oxygen uptake: A systematic review and meta-analysis
Pooled trials measuring whether L-arginine supplementation changes maximal oxygen uptake, a standard marker of aerobic capacity.
Evidence limitation: Aerobic-capacity findings were modest and inconsistent between trials. Isolated amino acid dosing does not equal a blended commercial formula.
Read research on PubMedThe Potential Role of Arginine Supplements on Erectile Dysfunction: A Systemic Review and Meta-Analysis
A systematic review and meta-analysis of arginine-family supplements in men with erectile dysfunction — the most directly relevant men's-health evidence for this amino acid.
Evidence limitation: Studied arginine-family supplements, not this product. Erectile dysfunction can signal underlying vascular or hormonal disease and warrants medical assessment.
Read research on PubMedParenteral or Enteral Arginine Supplementation Safety and Efficacy
A review of the safety and efficacy record of arginine supplementation, including tolerability and the clinical settings where caution applies.
Evidence limitation: Safety review covering clinical contexts including intravenous use. It is not a safety clearance for any consumer product or dose.
Read research on PubMedPomegranate
Pomegranate is named on the Nitric Boost Ultra packaging. It is studied mainly as a polyphenol-rich antioxidant.Impact of pomegranate juice on blood pressure: A systematic review and meta-analysis
A systematic review and meta-analysis of pomegranate juice trials, pooling their effects on systolic and diastolic blood pressure.
Evidence limitation: Pooled pomegranate juice trials, not pomegranate extract in a powder blend. Effects were modest and varied with dose and trial length.
Read research on PubMedEffects of pomegranate juice on blood pressure: A systematic review and meta-analysis of randomized controlled trials
An earlier meta-analysis of randomised controlled trials of pomegranate juice and blood pressure, including dose and duration subgroups.
Evidence limitation: Heterogeneous trials with differing juice preparations. Polyphenol content differs enormously between juice, extract and powder.
Read research on PubMedProtective Effects of Pomegranate in Endothelial Dysfunction
Reviews laboratory and clinical work on pomegranate polyphenols and endothelial function, with emphasis on oxidative-stress pathways.
Evidence limitation: Largely mechanistic and preclinical evidence. Cell and animal findings frequently fail to reproduce in human outcome trials.
Read research on PubMedEfficacy and safety of pomegranate juice on improvement of erectile dysfunction in male patients with mild to moderate erectile dysfunction: a randomized, placebo-controlled, double-blind, crossover study
A randomised, placebo-controlled, double-blind crossover study of pomegranate juice in men with mild to moderate erectile dysfunction.
Evidence limitation: One small crossover study that did not reach statistical significance on its primary endpoint. It tested juice, not this or any branded supplement.
Read research on PubMedL-Citrulline (not confirmed on the packaging we could inspect)
Widely discussed in third-party write-ups of this product. Included for completeness and clearly flagged as unconfirmed.Effects of Citrulline Supplementation on Exercise Performance in Humans: A Review of the Current Literature
Reviews the human literature on citrulline supplementation and exercise performance, including its conversion to arginine.
Evidence limitation: A narrative review of citrulline, an ingredient we could not confirm on the Nitric Boost Ultra label. Treat as background context only.
Read research on PubMedEffect of L-Citrulline Supplementation on Blood Pressure: a Systematic Review and Meta-Analysis of Clinical Trials
A systematic review and meta-analysis of clinical trials measuring L-citrulline supplementation and blood pressure.
Evidence limitation: Pooled trials of isolated L-citrulline. Unconfirmed as an ingredient here, so no inference about this product is available.
Read research on PubMedCitrulline Malate Does Not Improve Muscle Recovery after Resistance Exercise in Untrained Young Adult Men
A randomised controlled trial that found citrulline malate did not improve muscle recovery after resistance exercise in untrained young men.
Evidence limitation: A negative result, included deliberately. It is a reminder that nitric-oxide-pathway ingredients do not always produce measurable benefits.
Read research on PubMedSupplement quality, adulteration and safety
Why the category itself — not just the ingredients — deserves scrutiny.Unapproved Pharmaceutical Ingredients Included in Dietary Supplements Associated With US Food and Drug Administration Warnings
Analysed FDA warnings and found unapproved pharmaceutical ingredients hidden in dietary supplements sold to consumers, including sexual-enhancement products.
Evidence limitation: Concerns the supplement market broadly, not this product. No testing of Nitric Boost Ultra is implied, but it explains why buying from the official source matters.
Read research on PubMedDietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use
Analysed supplements actually marketed for erectile dysfunction, combining a market survey with a systematic review and meta-analysis.
Evidence limitation: A category-level analysis of ED-marketed supplements. It is context for evaluating claims in this market, not an assessment of this specific formula.
Read research on PubMedUsage
How to Use Nitric Boost Ultra
Each jar contains 30 servings, which indicates the product is built around one serving per day. It is a powder intended to be mixed into liquid rather than a capsule.
This page does not publish a scoop size, gram amount or mixing instruction, because we could not verify one from the official materials. That detail belongs to the label, and manufacturers do revise directions between production runs. Follow the directions printed on the jar you actually receive.
Read the label first
Check the Supplement Facts panel and the directions on your jar before the first serving, including the full ingredient list for anything you react to.
Check your medicines
If you take any prescription medication — particularly for blood pressure, heart conditions or erectile dysfunction — speak to a pharmacist or doctor before starting.
Be consistent, and be patient
Nutritional research generally measures outcomes over weeks, not days. Judge it over a reasonable period rather than expecting an immediate effect.
Stop if something feels wrong
Discontinue and seek medical advice if you experience dizziness, faintness, an unusual headache or any other concerning symptom.
Important
Who Should Talk to a Healthcare Professional?
This is not a list of people who are forbidden from using the product. It is a list of situations where an individual conversation with someone who knows your medical history is genuinely warranted, because ingredients that affect vascular tone can interact with treatments that do the same.
Speak to a clinician first if you
- Take nitrates for chest pain or heart disease
- Take blood-pressure medication of any kind
- Use PDE-5 inhibitors prescribed for erectile dysfunction
- Take anticoagulant or antiplatelet medicines
- Have low blood pressure or faint easily
Also worth a conversation if you
- Have an existing cardiovascular condition
- Have kidney disease or impaired kidney function
- Are pregnant or nursing
- Have surgery scheduled in the near future
- Manage any chronic condition or take regular medication
The combination that deserves the most care is nitrates with anything that widens blood vessels. That interaction is well recognised in clinical practice and can cause a pronounced drop in blood pressure. If you take nitrate medication, do not start this or any similar supplement without medical advice.
Nothing here is individualised medical advice, and it cannot be — we do not know your history. A pharmacist is an accessible and often overlooked source of interaction checks.
Safety
Nitric Boost Ultra Safety & Considerations
Two separate questions matter here. Are the ingredients themselves reasonably safe? And is the product category one where quality can be taken for granted?
The ingredients
L-arginine, beet root and pomegranate are all consumed as foods and are generally well tolerated. Reported effects in supplement trials tend to be mild and gastrointestinal — bloating or digestive discomfort. Beet root commonly turns urine or stool reddish, which is harmless and expected. The most relevant consideration is not toxicity but additive effect: ingredients that support vasodilation can compound the action of medicines that do the same thing.
The category
This deserves frank treatment. Supplements marketed for sexual enhancement have a documented history of adulteration. An analysis published in JAMA Network Open examined FDA warnings and found unapproved pharmaceutical ingredients — including prescription drug analogues — hidden in products sold as dietary supplements, with sexual enhancement among the most affected categories.
That is a statement about the market, not an accusation about this product, and we have no evidence of adulteration here. It is the reason buying through the official channel rather than an anonymous marketplace listing matters, and the reason the NCCIH advises approaching this category with caution.
What the manufacturer states about production
Marketing materials for this product display badges referring to manufacture in an FDA-registered facility, Good Manufacturing Practice, and US production. These are the seller’s own statements, reproduced here as such. We have not seen independent certification documents, and we have not verified them.
To be explicit about one point: earlier versions of this website displayed an “FDA Approved” badge. That claim was inaccurate and has been removed. The FDA does not approve dietary supplements. Facility registration means a manufacturing site is listed with the agency; it is not approval of any product made there.
Purchase information
Nitric Boost Ultra Price & Purchase Information
Taken from the seller’s official pricing panel. Prices are set by the seller and can change — confirm current figures at checkout before ordering.
1 Jar · 30 servings
$69per jar
$69 total + $9.99 shipping
- 180-day guarantee
- No free e-books
- Shipping not included
6 Jars · 180 servings
$49per jar
$294 total + free shipping
- 180-day guarantee
- 2 free e-books
- Free shipping
- Lowest per-jar price
3 Jars · 90 servings
$59per jar
$177 total + free shipping
- 180-day guarantee
- 2 free e-books
- Free shipping
Guarantee
The official pricing panel states a 180-day guarantee on all three package sizes. Refund terms — including whether shipping charges are refundable and what must be returned — are set by the seller and by ClickBank as the retailer of record. Read the current terms at checkout, because those are the terms that will apply to your order.
Bonuses
The three-jar and six-jar packages are shown as including two free e-books. We were able to verify one of them: 7 Natural Ingredients for Better Circulation & Performance. The second title is not reliably documented in the materials we inspected, so we do not name it here. Confirm what is included at checkout.
Buy through the official checkout
Ordering through the official page is what connects your purchase to the published guarantee. Unauthorised marketplace listings may not be covered.
Affiliate link. We may earn a commission at no additional cost to you.
Answers
Frequently Asked Questions
Nitric Boost Ultra is a powdered dietary supplement sold in a jar containing 30 servings. Its packaging describes it as supporting blood flow and performance and names L-Arginine, Beet Root and Pomegranate on the front label. It is a food supplement, not a medicine, and it is sold online through the official ClickBank-hosted checkout.
The product packaging in the official images names three ingredients on the front of the label: L-Arginine, Beet Root and Pomegranate. A bonus guide supplied with the offer refers to seven natural ingredients, so the full formula is larger than those three. Because we could not read a complete Supplement Facts panel in the official materials available to us, this page does not list amounts or additional ingredients. Check the Supplement Facts panel on the jar or on the official product page for the current, complete list.
Nitric oxide is a small signalling molecule that your body makes on its own. In blood vessels it is produced by the endothelium, the thin cell layer lining the vessel wall, and it tells the surrounding smooth muscle to relax. That relaxation is called vasodilation, and it is how the body adjusts blood flow moment to moment.
When nitric oxide is released, the smooth muscle in a vessel wall relaxes and the vessel widens, which lowers resistance and allows more blood to pass through. Reduced nitric oxide availability is widely described in the research literature as a feature of impaired vascular function. This is general physiology and is not a statement about what any particular supplement does.
We cannot say that it does. No published trial of the finished Nitric Boost Ultra product appears in PubMed. Research has separately investigated dietary nitrate, the compound beet root supplies, in relation to endurance and resistance exercise, and pooled analyses report effects that are generally small and inconsistent between studies. Evidence about an ingredient studied on its own does not establish that a finished blend containing that ingredient produces the same result.
No. It is a dietary supplement. Dietary supplements are regulated as a category of food rather than as drugs, and they are not reviewed for safety and effectiveness before sale the way prescription medicines are. It is not intended to diagnose, treat, cure or prevent any disease.
No. The FDA does not approve dietary supplements. Marketing materials for this product display badges referring to an FDA-registered facility and to Good Manufacturing Practice, which are statements about where and how a product is made. Facility registration is not the same thing as FDA approval of a product, and this page does not present the product as FDA approved.
No, and it should not be used as a substitute for any prescribed treatment. Do not stop, reduce or change any prescribed medicine because of a supplement. If you are being treated for blood pressure, heart disease, erectile dysfunction or any other condition, discuss any supplement with the clinician managing your care before you start it.
Anyone taking nitrates or other medicines for chest pain or heart disease, anyone on blood-pressure medication, anyone using PDE-5 inhibitors such as those prescribed for erectile dysfunction, and anyone on anticoagulant or antiplatelet therapy. The same applies if you have low blood pressure, kidney disease, an existing cardiovascular condition, are scheduled for surgery, or are pregnant or nursing. If you are unsure whether any of this applies to you, ask a qualified healthcare professional before using the product.
Each jar contains 30 servings, so the product is designed around one serving per day. Follow the mixing and serving directions printed on your jar, since directions can change between production runs. This page does not publish a scoop size or gram amount because we could not verify one from the official materials.
The product is sold online through the official product page, with the order processed by ClickBank as the retailer. Buying through the official checkout is what ties your order to the published refund policy. Marketplace listings from unauthorised resellers carry a real risk of counterfeit or mishandled stock and may not be covered by the manufacturer's guarantee.
The official pricing panel shows three options: one jar at $69 plus a $9.99 shipping charge; three jars at $59 per jar, which is $177 in total with free shipping; and six jars at $49 per jar, which is $294 in total with free shipping. The three-jar and six-jar packages are shown as including two free e-books. Prices and promotions are set by the seller and can change, so confirm the current figures on the official checkout page before ordering.
The official pricing panel states a 180-day guarantee on all three package sizes. Refund terms, including whether shipping charges are returned, are set by the seller and by ClickBank as the retailer. Read the current refund terms on the official checkout page before you buy, because the terms shown there are the ones that will actually apply to your order.
The underlying physiology is well established: nitric oxide is central to how blood vessels widen and regulate flow. Evidence for supplements is more mixed. Pooled analyses of dietary nitrate and of L-arginine report measurable but modest average effects on blood pressure, and performance findings vary considerably between trials and populations. Results also depend heavily on the dose and the form used in each study, neither of which necessarily matches a commercial blend. None of this research tested Nitric Boost Ultra itself.
Transparency
About This Guide
This page provides educational information about nitric oxide physiology alongside product information about Nitric Boost Ultra. It is written for general readers and is not medical advice.
No medical professional reviewed this page. We are not claiming clinical expertise, and we have not engaged a doctor, pharmacist or registered dietitian to review it. If a supplement website tells you a physician approved its content, ask to see who and on what basis.
Here is what we actually did. Product details — ingredients, serving count, pricing, guarantee — were taken from the seller’s own official images and materials, and anything we could not read there is marked as unverified rather than filled in. Every scientific reference was checked against its PubMed record programmatically, so titles, authors, journals and years come from the source database rather than from recollection. No study was cited that we did not retrieve.
We also removed material that could not be substantiated: an “FDA Approved” badge, customer testimonials that described a different product entirely, a fabricated live-visitor counter, a rotating popup inventing purchase notifications, and inflated pricing claims that contradicted the seller’s own published prices.
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Sources
Scientific References
All 30 entries verified against PubMed. None of them tested the finished Nitric Boost Ultra product.
- Förstermann U et al. Nitric oxide synthases: regulation and function. European heart journal. 2012 Apr. doi:10.1093/eurheartj/ehr304. PMID: 21890489
- Cyr AR et al. Nitric Oxide and Endothelial Dysfunction. Critical care clinics. 2020 Apr. doi:10.1016/j.ccc.2019.12.009. PMID: 32172815
- Kumar R et al. Nitric oxide and skeletal muscle contractile function. Nitric oxide : biology and chemistry. 2022 May 1. doi:10.1016/j.niox.2022.04.001. PMID: 35405336
- Mueller BJ et al. Nitric oxide in exercise physiology: past and present perspectives. Frontiers in physiology. 2024. doi:10.3389/fphys.2024.1504978. PMID: 39850450
- Carlström M et al. Mechanisms underlying blood pressure reduction by dietary inorganic nitrate. Acta physiologica (Oxford, England). 2018 Sep. doi:10.1111/apha.13080. PMID: 29694703
- Siervo M et al. Inorganic nitrate and beetroot juice supplementation reduces blood pressure in adults: a systematic review and meta-analysis. The Journal of nutrition. 2013 Jun. doi:10.3945/jn.112.170233. PMID: 23596162
- Bahadoran Z et al. The Nitrate-Independent Blood Pressure-Lowering Effect of Beetroot Juice: A Systematic Review and Meta-Analysis. Advances in nutrition (Bethesda, Md.). 2017 Nov. doi:10.3945/an.117.016717. PMID: 29141968
- Grönroos R et al. Effects of beetroot juice on blood pressure in hypertension according to European Society of Hypertension Guidelines: A systematic review and meta-analysis. Nutrition, metabolism, and cardiovascular diseases : NMCD. 2024 Oct. doi:10.1016/j.numecd.2024.06.009. PMID: 39069465
- Kapil V et al. Dietary nitrate provides sustained blood pressure lowering in hypertensive patients: a randomized, phase 2, double-blind, placebo-controlled study. Hypertension (Dallas, Tex. : 1979). 2015 Feb. doi:10.1161/HYPERTENSIONAHA.114.04675. PMID: 25421976
- d'El-Rei J et al. Beneficial Effects of Dietary Nitrate on Endothelial Function and Blood Pressure Levels. International journal of hypertension. 2016. doi:10.1155/2016/6791519. PMID: 27088010
- Litwin NS et al. Impact of Red Beetroot Juice on Vascular Endothelial Function and Cardiometabolic Responses to a High-Fat Meal in Middle-Aged/Older Adults with Overweight and Obesity: A Randomized, Double-Blind, Placebo-Controlled, Crossover Trial. Current developments in nutrition. 2019 Nov. doi:10.1093/cdn/nzz113. PMID: 31737860
- Jones AM et al. Dietary Nitrate and Nitric Oxide Metabolism: Mouth, Circulation, Skeletal Muscle, and Exercise Performance. Medicine and science in sports and exercise. 2021 Feb 1. doi:10.1249/MSS.0000000000002470. PMID: 32735111
- Poon ET et al. Dietary Nitrate Supplementation and Exercise Performance: An Umbrella Review of 20 Published Systematic Reviews with Meta-analyses. Sports medicine (Auckland, N.Z.). 2025 May. doi:10.1007/s40279-025-02194-6. PMID: 40085422
- Gao C et al. The effects of dietary nitrate supplementation on endurance exercise performance and cardiorespiratory measures in healthy adults: a systematic review and meta-analysis. Journal of the International Society of Sports Nutrition. 2021 Jul 9. doi:10.1186/s12970-021-00450-4. PMID: 34243756
- Tan R et al. Effects of Dietary Nitrate Supplementation on Back Squat and Bench Press Performance: A Systematic Review and Meta-Analysis. Nutrients. 2023 May 27. doi:10.3390/nu15112493. PMID: 37299456
- Tian C et al. Effects of Beetroot Juice on Physical Performance in Professional Athletes and Healthy Individuals: An Umbrella Review. Nutrients. 2025 Jun 9. doi:10.3390/nu17121958. PMID: 40573069
- Shiraseb F et al. Effect of l-Arginine Supplementation on Blood Pressure in Adults: A Systematic Review and Dose-Response Meta-analysis of Randomized Clinical Trials. Advances in nutrition (Bethesda, Md.). 2022 Aug 1. doi:10.1093/advances/nmab155. PMID: 34967840
- Dong JY et al. Effect of oral L-arginine supplementation on blood pressure: a meta-analysis of randomized, double-blind, placebo-controlled trials. American heart journal. 2011 Dec. doi:10.1016/j.ahj.2011.09.012. PMID: 22137067
- Rezaei S et al. The effect of L-arginine supplementation on maximal oxygen uptake: A systematic review and meta-analysis. Physiological reports. 2021 Feb. doi:10.14814/phy2.14739. PMID: 33587327
- Rhim HC et al. The Potential Role of Arginine Supplements on Erectile Dysfunction: A Systemic Review and Meta-Analysis. The journal of sexual medicine. 2019 Feb. doi:10.1016/j.jsxm.2018.12.002. PMID: 30770070
- Rosenthal MD et al. Parenteral or Enteral Arginine Supplementation Safety and Efficacy. The Journal of nutrition. 2016 Dec. doi:10.3945/jn.115.228544. PMID: 27934650
- Ghaemi F et al. Impact of pomegranate juice on blood pressure: A systematic review and meta-analysis. Phytotherapy research : PTR. 2023 Oct. doi:10.1002/ptr.7952. PMID: 37461211
- Sahebkar A et al. Effects of pomegranate juice on blood pressure: A systematic review and meta-analysis of randomized controlled trials. Pharmacological research. 2017 Jan. doi:10.1016/j.phrs.2016.11.018. PMID: 27888156
- Delgado NTB et al. Protective Effects of Pomegranate in Endothelial Dysfunction. Current pharmaceutical design. 2020. doi:10.2174/1381612826666200406152147. PMID: 32250215
- Forest CP et al. Efficacy and safety of pomegranate juice on improvement of erectile dysfunction in male patients with mild to moderate erectile dysfunction: a randomized, placebo-controlled, double-blind, crossover study. International journal of impotence research. 2007 Nov-Dec. doi:10.1038/sj.ijir.3901570. PMID: 17568759
- Gonzalez AM et al. Effects of Citrulline Supplementation on Exercise Performance in Humans: A Review of the Current Literature. Journal of strength and conditioning research. 2020 May. doi:10.1519/JSC.0000000000003426. PMID: 31977835
- Mirenayat MS et al. Effect of L-Citrulline Supplementation on Blood Pressure: a Systematic Review and Meta-Analysis of Clinical Trials. Current hypertension reports. 2018 Oct 3. doi:10.1007/s11906-018-0898-3. PMID: 30284051
- da Silva DK et al. Citrulline Malate Does Not Improve Muscle Recovery after Resistance Exercise in Untrained Young Adult Men. Nutrients. 2017 Oct 18. doi:10.3390/nu9101132. PMID: 29057836
- Tucker J et al. Unapproved Pharmaceutical Ingredients Included in Dietary Supplements Associated With US Food and Drug Administration Warnings. JAMA network open. 2018 Oct 5. doi:10.1001/jamanetworkopen.2018.3337. PMID: 30646238
- Petre GC et al. Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use. Nutrients. 2023 Aug 22. doi:10.3390/nu15173677. PMID: 37686709
Institutional and regulatory sources
- NCCIH — Erectile Dysfunction and Sexual Enhancement. US National Center for Complementary and Integrative Health.
- NCCIH — Dietary and Herbal Supplements. US National Center for Complementary and Integrative Health.
- NIH Office of Dietary Supplements — Dietary Supplements for Exercise and Athletic Performance.
- NIH Office of Dietary Supplements — Background Information: Dietary Supplements.
Conclusion
Final Thoughts
Nitric Boost Ultra is built on real biology. Nitric oxide genuinely does regulate blood vessel width and blood flow, and the three ingredients named on its label — L-arginine, beet root and pomegranate — each have a legitimate, documented rationale for being there. Beet root in particular sits on one of the better-researched pathways in sports nutrition.
The gap is between that biology and this product. No published trial has tested the finished formula. No Supplement Facts panel was available to us, so the amounts are unknown, and amounts are what separate an effective dose from a token inclusion. Research on beetroot juice does not automatically transfer to beet powder in an unstated quantity.
What a reasonable buyer can take from this: the ingredients are well tolerated for most people and the rationale is coherent. Expectations should be modest, because even the isolated-ingredient research reports modest effects. And if you take medication for blood pressure, heart conditions or erectile dysfunction, this is a conversation to have with a clinician before you order rather than after.
If you decide to try it, buy through the official checkout so your order falls under the published guarantee, and read the label when it arrives. You can revisit the ingredient breakdown, the research library, or the safety section at any time.