L-Lysine Powder®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 0.82–1.64 Gram(s) · 1 per day

Not Present

• 

  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

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.

• The Vitamin Shoppe

  4.3 (151)

  Vitamin & supplements store

  13341 Westheimer Rd Ste C, Houston, TX 77077

  Directions(281) 531-7122

• GNC

  4.5 (78)

  Vitamin & supplements store

  11805 Westheimer Rd Ste 310, Houston, TX 77077

  Directions(281) 921-4462

• The Vitamin Shoppe

  4.4 (40)

  Vitamin & supplements store

  9950 Old Katy Rd Level 01 Suite C, Houston, TX 77055

  Directions(346) 547-8126

• Wholesale Nutrition Center

  4.8 (76)

  Vitamin & supplements store

  5747 Richmond Ave, Houston, TX 77057

  Directions(713) 781-5950

• Optima Vitamins

  5.0 (8)

  Vitamin & supplements store

  9000 Richmond Ave, Houston, TX 77063

  Directions(866) 458-4826

• OMNILIFE CEDIS HOUSTON II

  4.5 (145)

  Vitamin & supplements store

  11633 Katy Fwy, Houston, TX 77079

  Directions(469) 808-8932

• THE B-12 STORE

  5.0 (484)

  Vitamin & supplements store

  5901 Westheimer Rd #F, Houston, TX 77057

  Directions(281) 501-1092

• GNC

  4.4 (40)

  Vitamin & supplements store

  9650 Westheimer Rd Ste 400, Houston, TX 77063

  Directions(713) 784-8484

• 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.