Comparison

Somaplex Magnesium and Gammadyn Mg

Somaplex Magnesium (Nestmann) lists 1 distinct ingredients and Gammadyn Mg (UNDA Gammadyn) 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	Somaplex Magnesium	Gammadyn Mg
Magnesium	0.059 mg (under 1%)	0.104 mg (under 1%)

Amounts are per serving as DSLD gives them: Somaplex Magnesium, 0.6 ml; Gammadyn Mg, 2 ml. Current labels entered September 2013 and April 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

Somaplex MagnesiumNestmann: every row against all products listing it
Gammadyn MgUNDA Gammadyn: every row against all products listing it