Comparison

Lysine 400 and L-Lysine

Lysine 400 (ProCaps Laboratories) lists 1 distinct ingredients and L-Lysine (NOW) 1 (rows of one ingredient counted once); 1 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientLysine 400L-Lysine
Lysine400 mg435 mg

Amounts are per serving as DSLD gives them: Lysine 400, 1 capsule; L-Lysine, 552 mg. Current labels entered December 2024 and July 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • Lysine 400ProCaps Laboratories: every row against all products listing it
  • L-LysineNOW: every row against all products listing it