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L-Arginine Caps 500 mg

product on market Capsule Country Life Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

L-arginine is used to support nitric oxide production and cardiovascular function, while vitamin B6 aids in protein metabolism and neurotransmitter synthesis. Research evidence for these specific benefits is generally moderate. Due to the very low evidence coverage for this specific formulation, clinical data is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for L-Arginine Caps 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

8.5 mg (500% DV)
6.5× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
500 mg
Market median: 500.0mg (143 products)

Other Ingredients

Cellulose Magnesium Stearate Cellulose Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Adults take one (1) capsule three times daily, preferably between meals. Do not exceed recommended dose.

Warnings & Precautions

Do not exceed recommended dose.

As a reminder, discuss the supplements and medications that you take with your health care providers. Caution: If you are pregnant, nursing, or taking medication, have a medical condition or planning surgery, consult a doctor before using this product.

Do not use if you have had a myocardial infarction or have established coronary artery disease. Stop using and consult a doctor if any adverse reactions occur. Do not accept if seal is broken.

Keep out of the reach of children.

Formulation Notes

L-Arginine supports immune function. Many Country Life amino acids also include Vitamin B6 to aid in utilization.

Yes Certified gluten-free by GFCO.org

Yes Certified vegan by the AVA

Yes Kosher

No Yeast, wheat or corn No Soy, milk or salt No Preservatives No Artificial colors, flavors or sweeteners No GMOs

Certified gluten-free

Includes Vitamin B6 for utilization

Additional Information

Amino acids are the building blocks of proteins.

Yes Recyclable packaging Yes Manufacturing supports wind power

This product has been manufactured at a GMP Registered Facility.

Certified B Corporation GF Certified Gluten-free K

Product No. 1026 09P18NDL

Established 1971

Supports immune health

Our Pledge of Integrity Authenticity Cleanliness Freshness Consistency Accuracy

Store in a dry place between 59(0)-86(0)F.

Metadata

Product Details

UPC / SKU0 15794 01026 5
DSLD Entry Date2019-04-25
Product TypeOther Combinations
FormCapsule
DSLD ID201839
Data Updated2026-04-11
Research

Research Evidence

45
Research Sources
52
Avg Quality
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 PubMed DOI
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Nutritional interventions for treating foot ulcers in people with diabetes
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Systematic Review The Cochrane database of systematic reviews 2002 PubMed
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2007 PubMed
B The Effect of Amino Acids on Wound Healing: A Systematic Review and Meta-Analysis on Arginine and Glutamine
Meta Analysis Nutrients 2021 PubMed DOI
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 PubMed
B Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use
Meta Analysis Nutrients 2023 PubMed DOI
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2004 PubMed
B An Analysis of Popular Online Erectile Dysfunction Supplements
Systematic Review The journal of sexual medicine 2019 PubMed DOI
View all evidence for L Arginine →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.