L-Lysine Powder

Amino Acids & Protein

Brand: Source Naturals

PowderOff Market
Click to view full label

Net Contents

3.53 Ounce(s); 100 Gram(s)

Serving Size

0.82 Gram(s) [1/2 Teaspoon (approx. 1.64 g)]

Servings Per Container

Not specified

Supplement Form

Powder

Bar Code (UPC/SKU)

0 21078 00135 5

Product Version

Not specified

Suggested Use

Suggested Use: 1/4 to 1/2 teaspoon daily with juice or water.

Market Reference

$5.04 – $62.00· 24 listings
  • L-Lysine Source Naturals

    iHerb4.7(1300)
    $5.04Lowest
  • Source Naturals L-Lysine Powder

    Instacart
    $7.39
  • Source Naturals L-Lysine Powder 3.53 oz (100 g)

    GoSupps.com4.7(1300)
    $29.99
  • Source Naturals, L-Lysine, 3.35 Oz Powder

    Maple Herbs4.7(1300)
    $34.00
  • Best Naturals Lysine Powder

    Target4.6(23)
    $13.99
  • Source Naturals L Lysine powder

    biomall.bg
    $22.66
  • Complete Natural Products L-Lysine Powder Supplement

    Target4.8(24)
    $16.95
  • Horbäach L-Lysine Powder

    Target5.0(1)
    $23.99

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

  • L-lysine dietary supplementation for childhood and adolescent growth: Promises and precautions

    R Gunarathne, X Guan, T Feng, Y Zhao, J Lu - Journal of Advanced …, 2025 - Elsevier

    Background L-lysine (lysine) is an essential amino acid that plays a vital role in human nutrition. It serves as a key component in protein synthesis and fulfills critical roles in various …

    202555 citations
  • Approved health claims for amino acids in/as food supplements.

    E Krasniqi, A Boshnjaku… - Macedonian …, 2016 - pdfs.semanticscholar.org

    … Lysine can also be consumed in the form of food supplements as L-lysine. L-lysine as food constituent, which is a subject of the health claims, form the Panel of NDA is considered to be …

    20166 citations
  • Safety assessment of L-lysine oral intake: a systematic review

    K Hayamizu, I Oshima, Z Fukuda, Y Kuramochi… - Amino …, 2019 - search.proquest.com

    … We evaluated specifically focusing on the safety of lysine supplements used by healthy … a non-protein-bound amino acid, so the l-lysine ingested from protein sources was not taken into …

    201931 citations
  • l-Lysine supplementation affects dietary protein quality and growth and serum amino acid concentrations in rats

    CW Xiao, A Hendry, L Kenney, J Bertinato - Scientific Reports, 2023 - nature.com

    … of l-lysine (Lys) supplementation on protein quality of diets, serum AA concentrations and associations between the ratio of supplemental … safety and health effects of supplemental Lys …

    202328 citations
  • L-Lysine Hydrochloride: An Alternative Prophylactic Therapy Reducing the Recurrence Rate of Herpes Labialis

    K Harlow - 2015 - commons.pacificu.edu

    … A search on the National Institute of Health (NIH) clinical trials site revealed no currently registered trials, at any phase, relating to the use of L-lysine for prophylactic treatment of herpes …

    2015
  • Microbial secondary metabolites via fermentation approaches for dietary supplementation formulations

    AV Rusu, M Trif, JM Rocha - Molecules, 2023 - mdpi.com

    … a healthcare professional before starting any new supplement … production of the amino acid L-lysine (member of the aspartate … most important amino acid produced followed by L-lysine. …

    202372 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-11-22. DSLD Label ID: 274773. 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.