L-Lysine Hydrochloride 500 mgnone
Other CombinationsBrand: Highland Laboratories
Functions
Net Contents
100 Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 68305 97410 4
Product Version
PR 974
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
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.
Supplement Facts
Serving Size: 1 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Lysine Hydrochloride | 500 mg | — |
| L-Lysine | 400 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
One or more capsules daily, in between meals, preferably with fruit juice. More effective when taken with carbohydrates, not protein.
Formulation
Formula re: Contains
Free-form L-Lysine Hydrochloride (500 mg.)
Formulation re: Does NOT Contain
No corn, soy, salt, yeast, gluten, milk & egg products, sugar, starch, or preservatives.
FDA Statements
FDA Statement of Identity
A Dietary Supplement
Other Label Statements
General Statements: All Other Content
Also available in 250 count
Seals/Symbols
GMP Quality Assured Earth Friendly
General Statements: All Other Content
% Daily Value
General: Product/Version Code
PR 974
Manufacturer & Distributor
Manufacturer
Highland Laboratories
Market Reference
Windmill L-Lysine HCl 500 Mg Tablets
Laplata Pharmacy$7.99365 by Whole Foods Market L-Lysine 500mg Vegetable Capsules 100 Count
Whole Foods Market5.0(1)$9.59Spring Valley L-Lysine 500 mg 250 Count
Walmart4.6(282)$6.88L-Lysine HCL
Jo Mar Labs$21.40Solaray L-Lysine
Whole Foods Market4.8(820)$14.99Research Products International Corp L-Lysine Hydrochloride, 500 Grams
Fisher Scientific$114.89Klaire Labs L-Lysine 500 mg 100 Vcaps
Curated Wellness5.0(2)$17.99BulkSupplements L-Lysine HCl Capsules
BulkSupplements.com4.7(131)$17.97
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.
GNC
4.1 (36)Vitamin & supplements store
1918 Smallman St, Pittsburgh, PA 15222
Dr. Emil Nutrition
4.9 (31)Vitamin & supplements store
3700 Butler St, Pittsburgh, PA 15201
The Vitamin Shoppe
4.2 (95)Vitamin & supplements store
210 Settlers Ridge Center Dr, Pittsburgh, PA 15205
Commonwealth Nutrition
5.0 (182)Vitamin & supplements store
6000 Babcock Blvd, Pittsburgh, PA 15237
GNC
3.0 (21)Vitamin & supplements store
2747 E Carson St, Pittsburgh, PA 15203
Back To Basics
4.5 (8)Vitamin & supplements store
300 Mt Lebanon Blvd #16, Pittsburgh, PA 15234
GNC
3.7 (22)Vitamin & supplements store
6401 Penn Ave, Pittsburgh, PA 15206
GNC
3.8 (17)Vitamin & supplements store
116 West Bridge St, Homestead, PA 15120
Research & Studies
The metabolic roles, pharmacology, and toxicology of lysine.
NW Flodin - Journal of the American College of Nutrition, 1997 - Taylor & Francis
… L-Lysine was introduced in the United States on a small … of lysine supplements and their use without medical supervision… with high supplemental lysine feeding in laboratory animals on …
1997198 citationsIMPACT OF LYSINE, CALCIUM AND VITAMIN D SUPPLEMENTATION FOR IMPROVED MUSCLE MASS AND BONE HEALTH OF YOUNG ADULT WOMEN
R Aggarwal - PUNJAB AGRICULTURAL UNIVERSITY …, 2020 - krishikosh.egranth.ac.in
… L-lysine, L-tryptophan and L-valine was randomly given to 45 women with osteoporosis as a daily supplement … Sample (500 mg) was digested with freshly prepared diacid mixture (25ml…
20201 citationsSafety assessment of L-lysine oral intake: a systematic review
K Hayamizu, I Oshima, Z Fukuda, Y Kuramochi… - Amino …, 2019 - search.proquest.com
… In laboratory rats, a sub-chronic test investigating the effects … on the safety of lysine supplements used by healthy adults. … evaluated the safety of l-lysine hydrochloride. For this reason, …
201931 citationsl-Lysine supplementation affects dietary protein quality and growth and serum amino acid concentrations in rats
CW Xiao, A Hendry, L Kenney, J Bertinato - Scientific Reports, 2023 - nature.com
… of l-lysine (Lys) supplementation on protein quality of diets, serum AA concentrations and associations between the ratio of supplemental … safety and health effects of supplemental Lys …
202330 citationsDietary supplementation with l-lysine affects body weight and blood hematological and biochemical parameters in rats
CW Xiao, C Wood, J Bertinato - Molecular Biology Reports, 2019 - Springer
… In a low protein diet (7%), supplementation with 1.5% Lys altered a number of … health effects. It has been thought that dietary Lys is non-toxic even at a high dose of supplementation [52], …
201922 citationsAntimicrobial effect of cinnamon oil, L-lysine, and beta-carotene on multi-drug resistant Listeria monocytogenes isolated from milk and dairy products
N El-wasef, M Elafify, NG Kasem… - Journal of Advanced …, 2025 - advetresearch.com
… homogenized well using a laboratory blender then the obtained … quality and avoiding health hazards are required. In addition, … milk products from central highlands of Ethiopia. J. Infect. …
20251 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-10-21. DSLD Label ID: 79663. 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.
Related Products

01-02 Enhanced Fat Melting Matrix
ATS Labs

1000 mg Vitamin C Acai Berry
Emergen-C

1000 mg Vitamin C Cranberry Pomegranate
Emergen-C

1000 MG Vitamin C Cranberry-Pomegranate
Emergen-C