🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 38% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

3 Capsule(s) Serving Size
40 Servings
Other Combinations Product Type
38% Evidence Coverage

Supplement Facts — Evidence Check

10 mg (500% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
600 mg
📊 Market median: 500.0mg (143 products)
This product: 600mg
100 mg
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 100mg
L-Norvaline
100 mg
L-Ornithine
200 mg
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 750mg
Yerba Mate extract
16 mg
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 100mg
📊 Market median: 495.0mg (70 products)
Median 495.0mg This product: 50mg
Gymnema sylvestre extract
50 mg
📊 Market median: 300.0mg (122 products) 📚 22 studies (Tier A: 0, B: 7)
This product: 25mg
5 mg
📊 Market median: 100.0mg (283 products) 📚 142 studies (Tier A: 1, B: 64)
This product: 5mg UL 1200mg
Octacosanol
1 mg

Other Ingredients

Gelatin Rice Flour Cellulose Magnesium Stearate Stearic Acid Silica

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) Gluten Free Dairy Free

Product Information

📋 Directions for Use

SUGGESTED USAGE: As a dietary supplement, take 3 capsules 1 to 3 times daily, depending on your training intensity, with water or your favorite beverage. Arginine Stack should be consumed on an empty stomach at least 2 hours after a meal or protein shake.

⚠️ Warnings & Precautions

Produced in a GMP facility that processes other ingredients containing these allergens.

Caution: For adults only.

Consult physician if pregnant/nursing, taking medication, or have a medical condition.

This supplement should be avoided by persons with glaucoma or herpes simplex unless otherwise prescribed by a physician. Do not use if you have had a myocardial infarction or have established coronary artery disease. Consult physician if you have impaired kidney function or are taking any prescription medications that affect kidney function.

Keep out of reach of children.

🧪 Formulation Notes

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

Additional Information

Made in the USA CAPSULE SIZE

QUALITY GMP ASSURED

Please Recycle.

Arginine Power Super Stack contains Creatine, a well-studied sports supplement, for its ability to support increased muscle strength and muscle cell fuel availability. Yerba Mate and Guarana enhance alertness, while Rhodiola supports the body's balanced response to stress. Green Tea Extract (GTE) quenches the free radicals formed during intense exercise; GTE has also been shown to support heart health.*

Do Not Eat Freshness Packet. Keep in Bottle.

The Ultimate Energy Sports Supplement • Supports Increased Muscle Strength*

Store in a cool, dry place after opening.

www.nowfoods.com/2004

CODE 2004 V4

Product Details

UPC / SKU 7 33739 02004 8
DSLD Entry Date 2012-08-24
Product Type Other Combinations
Form Capsule
Brand NOW Sports
DSLD ID 12854
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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