Home/ Supplements/ L Arginine/ L-Arginine Extra Strength 2662 mg

L-Arginine Extra Strength 2662 mg

product on market Capsule Built By Nature Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 43% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

L-arginine and L-citrulline are moderately supported by research for their role in nitric oxide production and blood flow. Niacin and calcium provide general metabolic and structural support. However, the overall evidence coverage for this specific ingredient profile is very limited.

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

Label

Product Label

Label for L-Arginine Extra Strength 2662 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Capsule(s)
Serving Size
15
Servings
Other Combinations
Product Type
43%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
72 mg (6% DV)
30 mg NE (188% DV)
2.1× RDA — within safe limits 196 studies (A:5, B:63)
800 mg
Market median: 500.0mg (143 products)
Market median: 500.0mg (143 products)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
Market median: 2000.0mg (275 products)
160 mg
Market median: 1500.0mg (104 products) 21 studies (A:0, B:2)

Other Ingredients

Cellulose Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement take four (4) capsules once a day. For best results take 20-30 min before activity with an 8oz. glass of water or as directed by your healthcare professional.

Warnings & Precautions

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

Formulation Notes

Nitric oxide support Performance Energy Endurance Vascular Support added

Additional Information

Store in a cool, dry place.

Metadata

Product Details

UPC / SKUX002L20OAR
DSLD Entry Date2025-06-25
Product TypeOther Combinations
FormCapsule
BrandBuilt By Nature
DSLD ID328627
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.