L-Lysine 500 mg

by Major · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 3 09042 68760 7
  • DSLD label 202051
  • Serving 1 tablet

L-Lysine 500 mg by Major lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 60 mg of calcium and 500 mg of L-lysine hydrochloride. Its current label entered the NIH Dietary Supplement Label Database on April 25, 2019.

What is in L-Lysine 500 mg?

Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

L-Lysine 500 mg: Supplement Facts rows against the market (DSLD label 202051, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Dicalcium PhosphateCalcium (Form: as Dicalcium Phosphate)60 mg6%Calcium in L-Lysine 500 mg against 17,831 products60 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg60 mg

68% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 120 mg.

L-Lysine Hydrochloride500 mgLysine in L-Lysine 500 mg against 1,250 products500 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.500 mg

40% of 1,250 products listing lysine give more (median 500 mg). Per day at the most servings: 1,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 202051 (entered April 25, 2019), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

4 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Directions: For adults, take one (1) tablet two times daily, preferably with a meal.
Warnings
As a reminder, discuss the supplements and medications you take with your health care providers. Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.
Discontinue use and consult you doctor if any adverse reactions occur.
Keep out of reach of children.
Tamper Resistant: Do not use if seal under cap is broken or missing.
Allergens and what it does not contain
Free of: Yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial flavor, sodium (less than 5 mg per serving).
Storage
Store in a dry place and avoid excessive heat.

Source: label statements in DSLD label 202051.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Stearic Acid, Vegetable Magnesium Stearate, Croscarmellose Sodium, Silicon Dioxide, Pharmaceutical Glaze.

How many labels does L-Lysine 500 mg have?

2 labels are on file under this name since January 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 202051 (current) Entered April 25, 2019 · on the market · 100 tablets · UPC 3 09042 68760 7
  2. Label 82184 Entered January 25, 2018 · off the market August 24, 2018 · 100 tablets · UPC 3 09042 68760 7

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Major Pharmaceuticals (distributor), Livonia, MI. All Major products.

Where next?