L-Lysine 500 mg

Amino Acids & Protein

Brand: GNC

Tablet or PillOff Market
Click to view full label

Net Contents

100 Vegetarian Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Not specified

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 48107 12233 1

Product Version

Not specified

Suggested Use

Directions: As a dietary supplement; take one to three tablets three times per day; an hour before meals or on an empty stomach. For maximum support; take as directed every day.

Market Reference

$6.67 – $65.70· 40 listings
  • GNC L-Lysine 1000mg Tablets

    GNC4.4(44)
    $19.99
  • Advanced Nutrition L-Lysine 60 Capsules

    GNC4.7(25)
    $12.99
  • Spring Valley L-Lysine 500 mg 250 Count

    Walmart4.6(276)
    $6.88
  • Walgreens 500 mg L-Lysine Tablets

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

    Target4.5(385)
    $21.95
  • L-Lysine 500 mg NOW

    NOW4.8(7300)
    $11.99
  • CVS Health L-Lysine Caplets 100 ct

    CVS Pharmacy4.8(112)
    $8.39
  • Thorne Research L-Lysine 60 Capsules

    Target4.8(1500)
    $15.00

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

    4.6 (136)

    Vitamin & supplements store

    15128 Max Leggett Pkwy, Jacksonville, FL 32218

  • GNC

    3.7 (47)

    Vitamin & supplements store

    13249 City Square Dr Ste 107, Jacksonville, FL 32218

  • First Coast Nutrition Inc

    4.9 (73)

    Vitamin & supplements store

    10916 Atlantic Blvd, Jacksonville, FL 32225

  • Natural Force

    5.0 (157)

    Vitamin & supplements store

    841 Prudential Dr 12th floor, Jacksonville, FL 32207

  • Florida Health Foods

    4.6 (58)

    Vitamin & supplements store

    7648 Lem Turner Rd, Jacksonville, FL 32208

  • Walgreens

    2.5 (134)

    Vitamin & supplements store

    12387 Yellow Bluff Rd Walgreens, Jacksonville, FL 32226

  • GNC

    4.3 (41)

    Vitamin & supplements store

    7001 Merrill Rd #31, Jacksonville, FL 32277

  • The Vitamin Shoppe

    4.5 (162)

    Vitamin & supplements store

    4668 Town Crossing Dr #101, Jacksonville, FL 32246

Research & Studies

  • Buffer Therapy for Cancer.

    MD Ribeiro, AS Silva, KM Bailey, NB Kumar… - Journal of nutrition & …, 2012 - europepmc.org

    … in the improvement of the health of individuals at pre… GNC), 50g/150mL whey protein, 1g/150mL for lysine monohydrochloride, 2.58g/150mL for Tums, and 4g/50mL for peptone. L-lysine …

    201249 citations
  • Buffer therapy for cancer

    CR Maria de Lourdes, AS Silva… - Journal of nutrition …, 2012 - pmc.ncbi.nlm.nih.gov

    … in the improvement of the health of individuals at pre… GNC), 50g/150mL whey protein, 1g/150mL for lysine monohydrochloride, 2.58g/150mL for Tums, and 4g/50mL for peptone. L-lysine …

    20125 citations
  • Lysine supplementation is not effective for the prevention or treatment of feline herpesvirus 1 infection in cats: a systematic review

    S Bol, EM Bunnik - BMC Veterinary Research, 2015 - Springer

    … While cats can recover from active infections without medical … group receiving 1000 mg lysine per day (500 mg twice a day) … company manufacturing lysine supplements (Lilly and GNC), …

    201557 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 …

    202555 citations
  • Complementary dietary treatment using lysine-free, arginine-fortified amino acid supplements in glutaric aciduria type I—a decade of experience

    S Kölker, SPN Boy, J Heringer, E Müller… - Molecular genetics and …, 2012 - Elsevier

    … (carnitine supplementation). It has … supplements (AAS) are commercially available and used in Germany for more than a decade, we evaluated the effect of arginine supplementation in …

    201272 citations
  • Aminoaciduric canine hypoaminoacidemic hepatopathy syndrome

    JP Loftus - Veterinary Clinics: Small Animal Practice, 2025 - vetsmall.theclinics.com

    … GLP-1 plasma concentrations were lower in dogs with ACHE syndrome than healthy dogs. … in dogs with ACHE Syndrome than in their healthy counterparts. Using receiver-operator …

    20251 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-12-24. DSLD Label ID: 28562. 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.