Comparison

L-Lysine HCL and Pure L-Lysine Free Form Amino Powder

L-Lysine HCL (PureBulk.com) lists 1 distinct ingredients and Pure L-Lysine Free Form Amino Powder (Hard Rhino) 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)
IngredientL-Lysine HCLPure L-Lysine Free Form Amino Powder
Lysine680 mg680 mg

Amounts are per serving as DSLD gives them: L-Lysine HCL, 680 mg; Pure L-Lysine Free Form Amino Powder, 680 mg. Current labels entered June 2013 and June 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own