Lysine 500 mg®

Amino Acids & Protein

Brand: Thorne

CapsuleAmino acid/ProteinOff Market
Click to view full label

Net Contents

60 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

60

Supplement Form

Capsule

Bar Code (UPC/SKU)

6 93749 51602 6

Product Version

SA516 LSA51610

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

  • Gluten

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.

Supplement Facts

Serving Size: 1 Capsule(s) · 2–3 per day

IngredientAmount Per Serving
L-Lysine(L-Lysine Monohydrochloride)500 mg

Not Present

Other Ingredients

HypromelloseCalcium LaurateLeucineSilicon Dioxide

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: Take 1 capsule two to three times daily or as recommended by your health-care practitioner.

Warnings & Precautions

Precautions re: All Other

Tamper evident: Use only if bottle is sealed.

Precautions re: Pregnant or Nursing or Prescription Medications

If pregnant, consult your health-care practitioner before using this product.

Storage

Storage

Store tightly sealed in a cool, dry place.

Formulation

Formulation re: Other

Foundational Immune support

Formulation re: Does NOT Contain

Gluten free

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Manufacturer & Distributor

Manufacturer

Thorne Research, Inc.

1-800-228-1966

Market Reference

$15.00 – $20.96· 4 listings
  • Thorne Research L-Lysine 60 Capsules

    iHerb4.8(1500)
    $15.00Lowest
  • Thorne Lysine

    Integrated Health Products4.8(1500)
    $15.00Lowest
  • l carnitine l lysine Thorne Acetyl-L-Carnitine

    Service Pare Brise
    $20.96
  • Allergy Research Group L-Lysine 500 mg 100 Capsules

    DailyBenefit.com4.7(50)
    $19.00

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.

Research & Studies

  • Natural remedies for Herpes simplex

    AR Gaby - Alternative medicine review, 2006 - biogetica.com

    … While Herpes simplex can occur in seemingly healthy people… infections received 500 mg per day lysine hydrochloride and … -blind fashion, lysine hydrochloride (624 or 1,248 mg per day) …

    2006111 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

    … This view is shared by many scientists and medical doctors since lysine supplementation is not part of the guidelines for the treatment or prevention of herpes labialis or genitalis [69–71]…

    201557 citations
  • Arginine: clinical potential of a semi-essential amino acid.(Arginine)

    J Appleton - Alternative medicine review, 2002 - go.gale.com

    … Arginine appears to be a safe and effective therapy for many health conditions, particularly … in the treatment of other health conditions. Healthcare practitioners should exercise caution in …

    2002298 citations
  • Efficacy of oral supplementation with L-lysine in cats latently infected with feline herpesvirus

    DJ Maggs, MP Nasisse, PH Kass - American Journal of …, 2003 - Am Vet Med Assoc

    … remained healthy throughout the 30day period of L-lysine supplementation and had no adverse clinical signs that could be attributed to lysine administration or arginine deficiency. …

    2003142 citations
  • Effects of dietary lysine supplementation on upper respiratory and ocular disease and detection of infectious organisms in cats within an animal shelter

    TL Drazenovich, AJ Fascetti… - American journal of …, 2009 - Am Vet Med Assoc

    … By study end, plasma lysine concentration in treated cats was … Relevance—Dietary lysine supplementation in the amount … We found that healthy cats fed a diet supplemented with up …

    200968 citations
  • Oral supplementation with L-lysine did not prevent upper respiratory infection in a shelter population of cats

    TM Rees, JL Lubinski - Journal of Feline Medicine and …, 2008 - journals.sagepub.com

    … of 2007, all healthy incoming cats to the … supplement of 250 or 500 mg l-lysine (Viralys, Vet Solutions, Fort Worth, TX) in a small amount of canned food. Cats were defined as ‘healthy’ for …

    200865 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-06-22. DSLD Label ID: 290211. 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.