🟢 100/100

This product looks safe

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

Product Label

📸

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Label Data

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

Supplement Facts — Evidence Check

📊 Market median: 500.0mg (143 products)
This product: 1680mg
480 mg
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 480mg
Pine Bark Extract
30 mg
30 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 30mg
Longjack Extract
30 mg
BioPerine
5 mg

Other Ingredients

Cellulose Rice Flour

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (97% of products) Structure/Function (91% of products) Nutrient (29% of products) No Claim (2% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

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

Product Details

DSLD Entry Date 2025-09-25
Product Type Other Combinations
Form Capsule
DSLD ID 335677
Data Updated 2026-04-11

Research Evidence

12 Research Sources
45 Avg Quality Score
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
C Effects of L-Citrulline Supplementation on Endothelial Function and Blood Pressure in Hypertensive Postmenopausal Women.
Rct Nutrients
C Effects of Acute Citrulline Malate Supplementation on CrossFit® Exercise Performance: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Study.
Rct Nutrients
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
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
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
C Acute effects of combined supplementation of L-arginine and citrulline malate on aerobic, anaerobic, and CrossFit exercise performance.
Rct Scientific reports
C L-Citrulline in Peripheral Artery Disease
Clinical Trial ClinicalTrials.gov 2016
View all evidence for Citrulline →

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