Comparison

Acetyl-L-Carnitine 500 mg Alpha-Lipoic Acid 200 mg and Alpha

Acetyl-L-Carnitine 500 mg Alpha-Lipoic Acid 200 mg (GNC) lists 2 distinct ingredients and Alpha (Higher Nature) 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 500 mg Alpha-Lipoic Acid 200 mgAlpha
Alpha Lipoic Acid200 mg200 mg
Acetyl L-Carnitine500 mg500 mg

Amounts are per serving as DSLD gives them: Acetyl-L-Carnitine 500 mg Alpha-Lipoic Acid 200 mg, 2 caplets; Alpha, 2 capsules. Current labels entered June 2017 and March 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own