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L-Arginine 500 mg

product on market Capsule SimplySupplements Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

L-arginine hydrochloride is a precursor to nitric oxide, which may support blood flow and cardiovascular function. Research evidence for these effects is generally moderate, though results vary by health status. The ingredient profile maintains a high safety rating for most healthy adults.

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

Label

Product Label

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

Label Data

1 Capsule(s)
Serving Size
Amino acid/Protein
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)

Other Ingredients

Magnesium Stearate Gelatin Titanium Dioxide
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested Daily Intake Take one to three capsules daily as a food supplement or as directed by a healthcare professional.

Warnings & Precautions

Important Information If you are taking any prescription medication, you have a medical condition or you have specific concerns about the suitability of our products, always consult your GP or Pharmacist prior to taking supplements.

Do not exceed stated dose.

Keep away from children at all times.

Do not use if seal is broken.

Pregnant or lactating women should consult a Doctor before using this product.

Allergy Advice: Contains an ingredient derived from Beef.

Food supplement: This product should not be used as a substitute for a varied diet.

Additional Information

SimplySupplements(TM)

HIGH STRENGTH

Highly acclaimed amino acid

QUALITY ASSURED

Product Information It is L-Arginine that is responsible for producing nitric oxide, an important messenger molecule involved in many physiological and pathological processes.

Store in a cool dry place.

Image is for illustration purposes only.

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S549

Metadata

Product Details

UPC / SKU5 060208 411263
DSLD Entry Date2013-07-25
Product TypeAmino acid/Protein
FormCapsule
DSLD ID22410
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
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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.