🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

📸

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Label Data

3 Caplet(s) Serving Size
60 Servings
Non-Nutrient/Non-Botanical Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Calories
5 {Calories}
Total Carbohydrates
1 g (1% DV)
Sodium
15 mg (1% DV)
📊 Market median: 500.0mg (143 products)
This product: 3000mg

Other Ingredients

Cellulose Dicalcium Phosphate Croscarmellose Hypromellose Contains Less Than 2% of

Label Claims — Verification

All Other
Structure/Function
All Other (100% of products) Structure/Function (91% of products) Nutrient (35% of products)

Target Groups

Adult (18 - 50 Years) Dairy Free Sugar Free

Product Information

📋 Directions for Use

FOR MAXIMUM RESULTS, TAKE ONE SERVING 45 MINUTES BEFORE EXERCISE AND ANOTHER SERVING IMMEDIATELY AFTER EXERCISE.

Directions: Adults, take one serving (3 caplets) 45 minutes before exercise and another serving immediately after exercise.

⚠️ Warnings & Precautions

As a reminder, discuss the supplements and medications you take with your health care providers.

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

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

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

🧪 Formulation Notes

FREE OF: yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial color, artificial flavor.

>>PROVIDES 1,950 MG OF L-ARGININE PER SERVING

Additional Information

SPECIALTY SUPPLEMENT

11868 05C B11868 FAB

PRE & POST WORKOUT

NITRIC OXIDE IS CRITICAL FOR SUPPORTING BLOOD FLOW AND NUTRIENT DELIVERY TO ACTIVE CELLS.

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

>>SUPPORTS VASCULAR FUNCTION >>SUPPORTS BLOOD FLOW AND NUTRIENT DELIVERY

>>NITRIC OXIDE INDUCER & STIMULATOR

Product Details

UPC / SKU 7 86560 11868 2
DSLD Entry Date 2012-11-21
Product Type Non-Nutrient/Non-Botanical
Form Other (e.g. tea bag)
Brand MET-Rx
DSLD ID 15507
Data Updated 2026-04-11

Research Evidence

45 Research Sources
52 Avg Quality Score
12 Rct
11 Systematic Review
11 Meta Analysis
11 Clinical Trial
A Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Meta Analysis The Cochrane database of systematic reviews 2017
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017
B Nutritional interventions for treating foot ulcers in people with diabetes
Meta Analysis The Cochrane database of systematic reviews 2020
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Systematic Review The Cochrane database of systematic reviews 2002
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2007
B The Effect of Amino Acids on Wound Healing: A Systematic Review and Meta-Analysis on Arginine and Glutamine
Meta Analysis Nutrients 2021
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute ischaemic stroke
Systematic Review The Cochrane database of systematic reviews 2000
B Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use
Meta Analysis Nutrients 2023
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2004
B An Analysis of Popular Online Erectile Dysfunction Supplements
Systematic Review The journal of sexual medicine 2019
View all evidence for L Arginine →

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