L-Lysine 500 mg

Amino Acids & Protein

Brand: Douglas Laboratories

CapsuleOff Market
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Net Contents

100 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 10539 70944 3

Product Version

Not specified

Suggested Use

Suggested Usage: As a dietary supplement; adults take 1 capsule daily or as directed by your healthcare professional.

Market Reference

$5.29 – $43.99· 40 listings
  • 365 by Whole Foods Market L-Lysine 500mg Vegetable Capsules 100 Count

    Whole Foods Market5.0(1)
    $9.29
  • Klaire Labs L-Lysine 500 mg 100 Vcaps

    Our Kids5.0(2)
    $17.99
  • Solgar L-Lysine 500 mg Vegetable Capsules

    Natures Food Markets4.8(361)
    $24.39
  • Nutricost L-Lysine

    Target4.5(385)
    $21.95
  • L-Lysine Pure Encapsulations

    OC Whole Family Wellness4.8(478)
    $41.50
  • Walgreens 500 mg L-Lysine Tablets

    Walgreens.com5.0(1)
    $19.99
  • L-Lysine 500 mg

    SFI Health5.0(2)
    $17.99
  • L-Lysine Source Naturals

    Walmart - intohealth.com4.7(1300)
    $16.09

Where to Buy Locally

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

    4.5 (90)

    Vitamin & supplements store

    4839 Calhoun Memorial Hwy US 123, Easley, SC 29640

  • Supreme Nutrition Greenville

    5.0 (227)

    Vitamin & supplements store

    1143 Woodruff Rd Ste A-2, Greenville, SC 29607

  • GNC

    3.7 (32)

    Vitamin & supplements store

    125 Rolling Hills Cir, Easley, SC 29640

  • Garner's Natural Life

    4.6 (157)

    Vitamin & supplements store

    27 S Pleasantburg Dr #20, Greenville, SC 29607

  • Supreme Nutrition Clemson

    5.0 (137)

    Vitamin & supplements store

    13160 Clemson Blvd, Seneca, SC 29678

  • Bionox

    5.0 (1)

    Vitamin & supplements store

    220 N Main St Ste 500-219, Greenville, SC 29601

  • Maximum Nutrition

    4.7 (3)

    Vitamin & supplements store

    700 Haywood Rd, Greenville, SC 29607

  • The Vitamin Shoppe

    4.5 (147)

    Vitamin & supplements store

    1129 Woodruff Rd Ste E, Greenville, SC 29607

Research & Studies

  • Lysine attenuates acute lung injury by restoring α-tubulin acetylation and ciliary activity

    W Yang, X Meng, Y Zhu, X Ma, Z Cao, M Wang… - Cell Death …, 2026 - nature.com

    … C Amino acid metabolic profiles measurement in plasma from healthy volunteers (n = 6) or PQ-poisoned patients (n = 7). Go enrichment (D) GSEA (E) and KEGG (F) analysis showing …

    2026
  • 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
  • Distinct metabolic programs established in the thymus control effector functions of γδ T cell subsets in tumor microenvironments

    …, GJ Fiala, LZ Agudelo, L Dyck, H Kane, A Douglas… - Nature …, 2021 - nature.com

    Metabolic programming controls immune cell lineages and functions, but little is known about γδ T cell metabolism. Here, we found that γδ T cell subsets making either interferon-γ (IFN-γ…

    2021216 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
  • Immune Defense Pack

    S Nutrition-Energy-Fitness, EOAEO PRN - lifestreamrx.com

    … a healthy immune response, but it supports cardiovascular health by maintaining healthy blood … in the normal range, promoting healthy HDL function, and supporting endothelial health.* …

  • Delayed Treatment With Nicotinamide (Vitamin B3) Improves Neurological Outcome and Reduces Infarct Volume After Transient Focal Cerebral Ischemia in Wistar …

    T Mokudai, IA Ayoub, Y Sakakibara, EJ Lee, CS Ogilvy… - Stroke, 2000 - ahajournals.org

    … a flame and subsequently coated with poly-l-lysine (Sigma Chemical Co) was introduced into … Moreover, the pharmacokinetics of NAm have been reported in healthy adults, and NAm in …

    2000182 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-06-25. DSLD Label ID: 9274. 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.