L-Lysine Amino Acid 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.

Serving Size: 1 Capsule(s) · 3 per day

Not Present

• 

  Sundance L-Lysine 500mg Caplets

  Walmart - Natures Truth LLC5.0(2)

  $7.89
• 

  Sundown Naturals L-Lysine 500 mg Tablets

  Pasteur Pharmacy4.7(11)

  $6.69
• 

  NOW L-Lysine

  NOW4.8(14000)

  $11.99
• 

  Solaray L-Lysine

  Walmart - Healthway Shop4.8(820)

  $7.89
• 

  Common Market Food Co-op Sundrops L Lysine 500 mg Tablets

  Suzanne's Natural Foods

  $22.50
• 

  Spring Valley L-Lysine 500 mg 250 Count

  Walmart4.6(282)

  $6.88
• 

  Swanson Free-Form L-Lysine 500mg 100 Capsules

  Swanson Health Products4.8(1200)

  $11.82
• 

  NOW Foods L-Lysine 500 mg Tablets

  Mothers Market & Kitchen4.6(20)

  $7.79

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.

• Nutrition Depot

  4.5 (49)

  Vitamin & supplements store

  2233 Northpark Dr, Kingwood, TX 77339

  Directions(281) 446-2800

• The Vitamin Shoppe

  4.5 (129)

  Vitamin & supplements store

  19723 US-59, Humble, TX 77338

  Directions(281) 540-7279

• GNC Kingwood Texas

  4.1 (63)

  Vitamin & supplements store

  25639 US-59 #103, Kingwood, TX 77339

  Directions(346) 426-5351

• PURE SUPPLEMENTS DIRECT

  5.0 (130)

  Vitamin & supplements store

  8790 Farm to Market 1960 Bypass Rd W, Humble, TX 77338

  Directions(832) 644-8832

• TNC Nutrition

  4.6 (36)

  Vitamin & supplements store

  23858 US-59, Kingwood, TX 77339

  Directions(281) 359-4663

• TF Supplements Nutrition Superstore

  4.9 (284)

  Vitamin & supplements store

  20121 I-45, Spring, TX 77388

  Directions(832) 663-9252

• Mr Nutrition

  5.0 (32)

  Vitamin & supplements store

  5815 FM 1960, Atascocita, TX 77346

  Directions(713) 480-9893

• Nutrition Depot - Sawdust

  4.6 (22)

  Vitamin & supplements store

  518 Sawdust Rd, Spring, TX 77380

  Directions(281) 362-8530

• Lysine: Sources, Metabolism, Physiological Importance, and Use as a Supplement

  M Holeček - International Journal of Molecular Sciences, 2025 - mdpi.com

  … the influx of cationic amino acids and cystine through the … Potential medical applications of the phenomenon of lysine–… potential usefulness of L-lysine supplements for both preventive …

  202525 citations

• L-lysine as a possible supplement for treatment of herpetic epithelial keratitis: a case report and literature review

  MC Pedrazini, MH da Silva… - Journal of …, 2024 - xiahepublishing.com

  … in this case report, amino acid supplementation can be … periods of stress, exposure to the sun or cold, reduced immunity, … a considerable impact on public health, reducing the incidence …

  20244 citations

• 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 …

  202556 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, …

  202029 citations

• L‐lysine: Its antagonism with L‐arginine in controlling viral infection. Narrative literature review

  MC Pedrazini, MH da Silva… - British journal of clinical …, 2022 - Wiley Online Library

  … relationship between the amino acid L-lysine and the control … on the effect of these amino acids even in healthy subjects. … such as cold, and solar radiation or conditions in which …

  202250 citations

• Gut bacterial L-lysine alters metabolism and histone methylation to drive dendritic cell tolerance

  Q Tang, G Fan, X Peng, X Sun, X Kong, L Zhang… - Cell Reports, 2025 - cell.com

  … L-lysine (lysine), an indispensable amino acid that cannot be … Dietary amino acid supplementation alleviates colitis in mice, … response to ingested glucose in healthy individuals. …

  202524 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-08-24. DSLD Label ID: 12343. 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.