L-Lysine 500 mg

Suggested Use

Directions: As a dietary supplement; one capsule daily.

• 

  Nature's Plus L-Lysine 500mg 90 capsules

  suplments.co.uk

  $21.46
• 

  Nature's Truth L Lysine 500mg Caplets

  Walmart4.8(67)

  $8.08
• 

  Nature's Promise 500mg L-Lysine Capsules

  hannaford.com

  $10.79
• 

  Nutricost L-Lysine

  Target4.5(385)

  $21.95
• 

  NOW L-Lysine

  Natures Food Markets4.8(7300)

  $8.99
• 

  Nature's Blend Lysine 500mg Tablets

  HealthWarehouse.com

  $8.38
• 

  L-Lysine 500 mg

  SFI Health5.0(2)

  $17.99
• 

  L-Lysine 500 mg 50 Vegan Caps

  My Nature's Delight

  $14.99

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

  4.2 (61)

  Vitamin & supplements store

  5270 Elmore Avenue Ste 1, Davenport, IA 52807

  Directions(563) 355-7476

• pHat Bottom Labs

  4.8 (19)

  Vitamin & supplements store

  824 15th Ave, East Moline, IL 61244

  Directions

• GNC

  4.3 (34)

  Vitamin & supplements store

  4028 E 53rd St, Davenport, IA 52807

  Directions(563) 355-1254

• Optimal Nutrition & Supplements

  4.3 (66)

  Vitamin & supplements store

  2182 E Kimberly Rd, Davenport, IA 52807

  Directions(563) 514-8922

• QC Nutrition Specialists (formerly Max Muscle)

  5.0 (40)

  Vitamin & supplements store

  852 Middle Rd Ste 103, Bettendorf, IA 52722

  Directions(563) 355-4444

• Nutrition Outlet

  4.7 (20)

  Vitamin & supplements store

  2114 Park Ave, Muscatine, IA 52761

  Directions(563) 264-8124

• Natural Grocers

  4.4 (388)

  Vitamin & supplements store

  3805 E 53rd St, Davenport, IA 52807

  Directions(563) 214-1864

• Health and Nutrition Plus

  4.8 (55)

  Health consultant

  2522 E Lincolnway Ste C, Sterling, IL 61081

  Directions(815) 625-3409

• 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

  … L-lysine (lysine) is an essential amino acid that plays a vital role in human nutrition. It serves … For decades, lysine supplements have been extensively used to promote the growth and …

  202555 citations

• Comprehensive safety assessment of ʟ-lysine supplementation from clinical studies: a systematic review

  K Hayamizu, I Oshima, M Nakano - The Journal of Nutrition, 2020 - Elsevier

  Background: Despite the widespread use of ʟ-lysine in dietary supplements, the safety information pertinent to excessive ʟ-lysine ingestion is limited and, to the best of our knowledge, …

  202028 citations

• A study of growth hormone release in man after oral administration of amino acids

  A Isidori, A Lo Monaco, M Cappa - … Medical Research and Opinion, 1981 - Taylor & Francis

  … The results showed that oral administration of a combination of two amino acids (1200 mg l-lysine plus 1200 mg l-arginine) provoked a release of pituitary somatotropin and insulin. This …

  1981249 citations

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

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

  … in dietary supplements (Flodin 1997). In light of the wide use of l-lysine supplements and fortified … We evaluated specifically focusing on the safety of lysine supplements used by healthy …

  201931 citations

• Accelerated lysine metabolism conveys kidney protection in salt-sensitive hypertension

  MM Rinschen, O Palygin, A El-Meanawy… - Nature …, 2022 - nature.com

  … –50 mM L-Lysine (or other amino acids) for 2 h, or after overnight treatment with 1–10 mM L-lysine. … The healthy volunteers had no medical diagnosis and were 25–45 years old. The risk …

  202274 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

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-06-24. DSLD Label ID: 228389. 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.