Comparison

DMG 500 mg and DMG 500 mg

DMG 500 mg (Advanced Nutrition by Zahler) lists 1 distinct ingredients and DMG 500 mg (Zahler) 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)
Ingredient	DMG 500 mg	DMG 500 mg
Dimethylglycine	500 mg	500 mg

Amounts are per serving as DSLD gives them: DMG 500 mg, 1 tablet; DMG 500 mg, 1 tablet. Current labels entered February 2022 and May 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

DMG 500 mgAdvanced Nutrition by Zahler: every row against all products listing it
DMG 500 mgZahler: every row against all products listing it