L-Arginine 500 mg

Amino Acids & Protein

Brand: NOW

CapsuleOn Market
Click to view full label

Net Contents

250 Capsule(s)

Serving Size

2 Veg Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 33739 00031 6

Product Version

Not specified

Suggested Use

Suggested Usage: Take 2 capsules twice daily as needed. Take between meals or at bedtime with at least 8 oz. of water or juice to facilitate absorption.

Market Reference

$7.95 – $159.40· 40 listings
  • Now L-Arginine

    iHerb4.8(7100)
    $7.95Lowest
  • (2 pack) NOW Supplements, L-Arginine 500 mg, Nitric Oxide Precursor*, Amino Acid, 100 Veg Capsules, White

    Walmart - Fruitful Yield4.8(7100)
    $21.92
  • NOW ARGININE ORNITHINE

    Natures Food Markets4.7(844)
    $14.99
  • Now Foods L-ARGININE, 500 mg | Village Green Apothecary

    Village Green Apothecary4.8(7100)
    $20.99
  • Now Foods Arginine Powder

    nowfoods.com4.4(1100)
    $29.99
  • NOW L-Lysine

    iHerb4.8(7300)
    $13.46
  • NOW Arginine Citrulline

    Fuelsupplements.com4.7(2400)
    $30.60
  • (2 pack) NOW Sports Nutrition, L-Arginine Powder, Nitric Oxide Precursor, Amino Acids, 1-Pound, Size: 3.80 x 3.80 x 6.75, White

    Walmart - Fruitful Yield4.4(1100)
    $45.32

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

Research & Studies

  • The effectiveness of L-arginine in clinical conditions associated with hypoxia

    N Kurhaluk - International journal of molecular sciences, 2023 - mdpi.com

    … effects of L-arginine supplementation on VO 2 max in healthy … that these supplements might increase VO 2 max in healthy … , now the theoretical justification for the use of L-arginine in …

    202359 citations
  • The pharmacodynamics of L-arginine.

    RH Böger - Alternative Therapies in Health & Medicine, 2014 - search.ebscohost.com

    … L-Arginine appears to … , L-arginine restores the L-arginine/ADMA ratio to normal and, thereby, normalizes endothelial function. In conclusion, the effects of L-arginine supplementation on …

    2014109 citations
  • Beneficial effects of l-arginine on reducing obesity: potential mechanisms and important implications for human health

    JR McKnight, MC Satterfield, WS Jobgen, SB Smith… - Amino acids, 2010 - Springer

    … for the beneficial effects of l-arginine are likely complex, but … Recent studies indicate that l-arginine supplementation … and fatty acids) Thus, l-arginine holds great promise as a safe and …

    2010311 citations
  • Safety of dietary supplementation with arginine in adult humans

    CJ McNeal, CJ Meininger, CD Wilborn, CD Tekwe… - Amino acids, 2018 - Springer

    … l-Arginine (Arg) was traditionally been classified as a nutritionally nonessential amino acid for healthy adults … Thus, Arg is now recognized to be an important ingredient in dietary …

    201886 citations
  • l-Arginine Supplementation in Peripheral Arterial Disease: No Benefit and Possible Harm

    AM Wilson, R Harada, N Nair, N Balasubramanian… - Circulation, 2007 - ahajournals.org

    … There are limited options for medical management of … for l-arginine supplementation seems sound. Accordingly, we initiated a randomized clinical trial of l-arginine supplementation with …

    2007308 citations
  • A pilot study of L-arginine supplementation on functional capacity in peripheral arterial disease

    RK Oka, A Szuba, JC Giacomini… - Vascular …, 2005 - journals.sagepub.com

    … L-arginine. This pilot study provided data for safety, for power calculation and for dosing for the larger definitive trial that is now … found that L-arginine administered in a medical food bar …

    200585 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-02-25. DSLD Label ID: 244345. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.