🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

2 Liquid Softgel(s) Serving Size
30 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Medium Chain Triglyceride (MCT) Oil
1000 mg
750 mg
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 750mg
Beet powder
60 mg
50 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 50mg
📊 Market median: 120.0mg (440 products) 📚 187 studies (Tier A: 1, B: 71)
This product: 40mg
Cayenne powder
30 mg
Mate (Yerba Mate) powder
20 mg
📊 Market median: 450.0mg (390 products) 📚 155 studies (Tier A: 0, B: 63)
This product: 15.62mg
BioPerine Complex
3 mg

Other Ingredients

Gelatin purified Water Glycerin Beeswax Soy Lecithin Caramel color Annatto Silicon Dioxide St. John's Bread Titanium Dioxide

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

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: (Adult) Take two (2) Liquid Soft-Gels twice per day with a meal. For a more immediate effect, take four (4) Liquid Soft-Gels one hour before activity.

⚠️ Warnings & Precautions

Usage Warnings: Do not use if safety seal is broken. This product contains ingredients that may affect blood pressure and/or heart conditions.

Check with your doctor before using this product and engaging in activity, if you are using medication or have any medical conditions, including heart disease or high blood pressure.

Individuals with low blood pressure should not take this product. Do not exceed 90 days of continuous use of this product without a two (2) week break.

Do not use if you may become pregnant, are pregnant or nursing.

Do not exceed recommended daily intake.

Not intended for use by persons under 18. KEEP OUT OF REACH OF CHILDREN.

WARNING: (State of California Prop 65) This product contains a chemical known to the State of California to cause birth defects and other reproductive harm.

Do not exceed four (4) Liquid Soft-Gels per day.

Contains: Soy, Tree Nuts (Coconut, Palm Kernel)

🧪 Formulation Notes

This unique formula features L-Citrulline, an amino acid that is readily converted to L Arginine, which can then be converted into Nitric Oxide within the body. This powerful formula also includes Medium Chain Triglycerides (MCT’s). MCT’s are a preferred source of quick cellular energy.

Nitric Oxide Pre-Sport also contains Yerba Maté and Ginseng, specialized ingredients traditionally used to help increase the feeling of energy and Ginkgo traditionally used to support blood circulation.

Plus MCT's & Beet Root

Contains: Soy, Tree Nuts (Coconut, Palm Kernel)

Additional Information

* They are rapidly absorbed into the bloodstream and immediately converted into energy at the cellular level.

This product can be taken an hour before engaging in any sporting activity or can be taken daily for ongoing maintenance.

USE BOTH TOGETHER TO MAXIMIZE RESULTS Nitric Oxide Pre-Sport for pre-workout booster.* Turmeric After-Sport for post workout recovery.*

What makes us different: Liquid Soft-Gels - The nutrients in these easy-to-swallow Liquid Soft-Gels are released fast.

QUALITY TESTED ~ GUARANTEED PASS

We employ compliance testing to ensure purity and potency.

Global Responsibility - Over the years we have donated to organizations that support the environment and the health of our children.

Store in a cool, dry place.

QUESTIONS: Call Consumer Affairs 1-800-297-3273 Weekdays 8:00 AM to 5:00 PM (PST)

7262-LAB-04/15 IN038486 Ver. 01

Pre-Workout Booster Advanced Energy Activator for Maximum Physical Response

Full Disclosure Ingredient Panel

To join our Wellness Club and receive tips on how to improve your health, please visit us at www.IrwinNaturals.com/wellness1

When it comes to performance, Nitric Oxide is key. Nitric Oxide is a naturally-occurring compound in the body that plays a key role in cardiovascular health. Nitric Oxide is produced in the inner lining of blood vessels and helps to relax and dilate vessels, allowing more blood to flow throughout the body.

Product Details

UPC / SKU 7 10363 58486 3
DSLD Entry Date 2016-04-22
Product Type Other Combinations
Form Softgel Capsule
DSLD ID 58545
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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