L-Lysine 600 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 Tablet(s) · 1 per day

Not Present

• 

  L-Lysine 600Mg 90 Tab By 21St Century Nutritl Prod/Gnp

  AmericanPharmaWholesale.com

  $4.19Lowest
• 

  21st Century L-Lysine 600 mg 90 Tablets

  GoSupps.com4.9(223)

  $44.99
• 

  L-Lysine 600 мг 90 таблетки | 21st Century

  biomall.bg4.9(225)

  $13.07
• 

  21st Century Daily Amino Acid Tablets

  21st-century-vitamins4.7(1400)

  $9.99
• 

  Case of 24-L-Lysine 600 mg Tab 90Ct Tab 600 mg 90 By 21st Century USA

  AmericanPharmaWholesale.com

  $112.70
• 

  21st Century L-Lysine 1000 mg Tablets

  Osadia Concept Store4.8(712)

  $6.69
• 

  Natural Cure Labs Clean L-Lysine 600mg 120 Capsules

  Walmart - Natural Cure Labs4.9(80)

  $18.95
• 

  Natural Cure Labs Clean L-Lysine 600mg

  Natural Cure Labs5.0(51)

  $22.95

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• The Vitamin Shoppe

  4.6 (81)

  Vitamin & supplements store

  5463 Lyons Rd, Coconut Creek, FL 33073

  Directions(954) 354-1999

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  4420 W Hillsboro Blvd Ste 106, Coconut Creek, FL 33073

  Directions(888) 491-4002

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  Vitamin & supplements store

  4336 N State Rd 7, Coral Springs, FL 33073

  Directions(954) 752-2803

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  Vitamin & supplements store

  3752 W Hillsboro Blvd, Deerfield Beach, FL 33442

  Directions(954) 570-8081

• Vitamins Plus LLC

  4.6 (9)

  Vitamin & supplements store

  6919 SW 18th St Bldg 201 Suite 213, Boca Raton, FL 33433

  Directions(561) 990-8661

• Elite Labs Supplements

  5.0 (23)

  Vitamin & supplements store

  9183 Glades Rd Ste 1, Boca Raton, FL 33434

  Directions(561) 245-1592

• Sav-A-Lot Nutrition Centers

  4.4 (93)

  Vitamin & supplements store

  3105 FL-7, Margate, FL 33063

  Directions(754) 307-1655

• The Vitamin Shoppe

  4.8 (145)

  Vitamin & supplements store

  20600 Lyons Rd, Boca Raton, FL 33434

  Directions(561) 479-4223

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

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

  … Potential medical applications of the phenomenon of lysine–arginine antagonism are listed … and the potential usefulness of L-lysine supplements for both preventive and therapeutic …

  202525 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 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

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

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

  … In the present study, we evaluated the safety of l-lysine added … studies on oral ingestion of l-lysine. Ultimately, 71 studies … on the safety of lysine supplements used by healthy adults. …

  201931 citations

• L-lysine and vitamin C work better in synergy against

  W Sumera, A Goc, A Niedzwiecki, M Rath - 2023 - drrathresearch.org

  … Our results point out that combina on of L-lysine with vitamin C should be further explored as an effec ve measure to simultaneously control and expand cellular mechanisms relevant …

  2023

• Risk Assessment of" Other Substances"–L-lysine

  S Henjum, L Frøyland, M Haugen, K Holvik, M Løvik… - European Journal of …, 2020

  20201 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-08-23. DSLD Label ID: 205561. 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.