Comparison

Acetyl L-Carnitine 400 mg Free Form Alpha Lipoic Acid 200 mg and Acetyl L-Carnitine 400 mg Alpha Lipoic Acid 200 mg

Acetyl L-Carnitine 400 mg Free Form Alpha Lipoic Acid 200 mg (Puritan's Pride Premium) lists 2 distinct ingredients and Acetyl L-Carnitine 400 mg Alpha Lipoic Acid 200 mg (Vitamin World) 2 (rows of one ingredient counted once); 2 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)
IngredientAcetyl L-Carnitine 400 mg Free Form Alpha Lipoic Acid 200 mgAcetyl L-Carnitine 400 mg Alpha Lipoic Acid 200 mg
Alpha Lipoic Acid400 mg400 mg
Acetyl L-Carnitine800 mg800 mg

Amounts are per serving as DSLD gives them: Acetyl L-Carnitine 400 mg Free Form Alpha Lipoic Acid 200 mg, 2 capsules; Acetyl L-Carnitine 400 mg Alpha Lipoic Acid 200 mg, 2 capsules. Current labels entered September 2013 and April 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own