Comparison

Carnosine and L-Carnosine 500 mg

Carnosine (Cardiovascular Research) lists 2 distinct ingredients and L-Carnosine 500 mg (Vitamin World) 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 0.74.

Amount per serving (and % of the Daily Value)
Ingredient	Carnosine	L-Carnosine 500 mg
Carnosine	50 mg	500 mg
Vitamin E	30 IU

Amounts are per serving as DSLD gives them: Carnosine, 1 capsule; L-Carnosine 500 mg, 1 capsule. Current labels entered July 2013 and November 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

CarnosineCardiovascular Research: every row against all products listing it
L-Carnosine 500 mgVitamin World: every row against all products listing it