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Nitric Oxide

product on market Capsule Premium Certified Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 17% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

L-arginine and L-citrulline have strong evidence for increasing nitric oxide levels to support blood flow. Pine bark extract, quercetin, and longjack are included for potential vascular and hormonal support, though research for these specific extracts is more limited. The ingredient profile maintains a high safety rating.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Nitric Oxide
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
17%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 500.0mg (143 products)
480 mg
Market median: 2000.0mg (275 products)
Pine Bark Extract
30 mg
30 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Longjack Extract
30 mg
BioPerine
5 mg

Other Ingredients

Cellulose Rice Flour
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: For best results, on workout days, take three capsules in the morning (before breakfast) and three capsules 30 minutes before workouts; and on non-workout days, take three capsules in the morning (before breakfast), and three capsules at night (before dinner).

Warnings & Precautions

Warning: Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement.

Warning: Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement. Keep out of the reach of children.

Do not use this product if outer seal around cap is missing or broken.

Formulation Notes

Free of soy, gluten, milk, egg, wheat, peanuts, artificial sweeteners and shellfish.

Vegan Friendly

Not tested on animals

Premium quality Nitric Oxide Booster High potency Nitric Oxide Now with Nitri-Syl L-Arginine

Premium grade - Highest standards

No GMOs - No hormones No soy - No preservatives No gluten - No coloring

Additional Information

Store at room temperature.

All Premium Certified products come with a 100% PREMIUM Guarantee when purchased directly from Premium Certified. If you are not completely satisfied with your purchase, return the unused portion within 90 days for a full refund.

Made in USA Vegan Friendly Non GMO Verified

Metadata

Product Details

DSLD Entry Date2025-09-25
Product TypeOther Combinations
FormCapsule
BrandPremium Certified
DSLD ID335677
Data Updated2026-04-11
Research

Research Evidence

12
Research Sources
45
Avg Quality
6
Rct
5
Clinical Trial
1
Meta Analysis
C Effect of food sources of nitrate, polyphenols, L-arginine and L-citrulline on endurance exercise performance: a systematic review and meta-analysis of randomised controlled trials
Meta Analysis Journal of the International Society of Sports Nutrition 2021 PubMed DOI
C Effects of L-Citrulline Supplementation on Endothelial Function and Blood Pressure in Hypertensive Postmenopausal Women.
Rct Nutrients PubMed DOI
C Effects of Acute Citrulline Malate Supplementation on CrossFit® Exercise Performance: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Study.
Rct Nutrients PubMed DOI
C Impact of L-Citrulline Supplementation and HIIT on Lipid Profile, Arterial Stiffness, and Fat Mass in Obese Adolescents with Metabolic-Dysfunction-Associated Fatty Liver Disease: A Randomized Clinical Trial.
Rct Nutrients PubMed DOI
C Effect of L-Citrulline Supplementation on NAFLD in Adolescents With Obesity
Clinical Trial ClinicalTrials.gov 2021
C Effects of L-Citrulline or Citrulline-malate on Neuromuscular Performance in Resistance-trained Adults
Clinical Trial ClinicalTrials.gov 2022
C Acute effects of Nitrosigine® and citrulline malate on vasodilation in young adults.
Rct Journal of the International Society of Sports Nutrition PubMed DOI
C Effects of Combined Versus Single Supplementation of Creatine, Beta-Alanine, and L-Citrulline During Short Sprint Interval Training on Basketball Players' Performance: A Double-Blind Randomized Placebo-Controlled Trial.
Rct International journal of sports physiology and performance PubMed DOI
C Acute effects of combined supplementation of L-arginine and citrulline malate on aerobic, anaerobic, and CrossFit exercise performance.
Rct Scientific reports PubMed DOI
C L-Citrulline in Peripheral Artery Disease
Clinical Trial ClinicalTrials.gov 2016
View all evidence for Citrulline →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.