L-Lysine 500 mg®

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: 1 Capsule(s) · 1 per day

Not Present

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  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.