🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Beet root extract
2800 mg
1000 mg
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 1000mg
📊 Market median: 333.0mg (166 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 500mg
L-Norvaline
200 mg

Other Ingredients

Gelatine Caps Rice Flour Magnesium Stearate

Label Claims — Verification

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: Take 2 capsules three times daily to support healthy NO2 levels and optimal health benefits. For enhanced performance during athletic events, take 6 capsules prior to event with 2 full glasses of water.

⚠️ Warnings & Precautions

Warnings: Consult a physician if pregnant or nursing, taking medications or have a pre-existing medical condition.

Keep away from children.

🧪 Formulation Notes

NitroCaps are designed for the athlete on the go. Carry a bottle in your gym bag, or just take some caps with you to take throughout the day.

NO2 has been considered a miracle molecule as its health benefits have been documented as essential and beneficial for optimum human performance. Increase in muscle pumps Increase in stamina Increase in vasodilation Increase in oxygen support Increase in muscle strength

Enhanced superfood

Nitric oxide activator

Additional Information

Performance blend

100% Money back guarantee

ASI Food Safety FDA Registered Facility GMP Good Manufacturing Practice Consistent Quality Made in U.S.A.

Product Details

UPC / SKU 6 47732 62523 3
DSLD Entry Date 2020-06-24
Product Type Other Combinations
Form Capsule
Brand 8WeeksOut
DSLD ID 228505
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 →

Compare Similar Products

View all Citrulline products →