Comparison

Synergistic Magnesium 150 mg Plus Calcium And Vitamin B6 and Magnesium 250 mg

Synergistic Magnesium 150 mg Plus Calcium And Vitamin B6 (Quest) lists 4 distinct ingredients and Magnesium 250 mg (Indiana Botanic Gardens) 3 (rows of one ingredient counted once); 3 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 0.78.

Amount per serving (and % of the Daily Value)
IngredientSynergistic Magnesium 150 mg Plus Calcium And Vitamin B6Magnesium 250 mg
Calcium30 mg (2%)23 mg (2%)
Magnesium150 mg (36%)250 mg (60%)
Phosphorus15 mg (1%)18 mg (1%)
Vitamin B620 mg (1176%)

Amounts are per serving as DSLD gives them: Synergistic Magnesium 150 mg Plus Calcium And Vitamin B6, 3 tablets; Magnesium 250 mg, 1 tablet. Current labels entered July 2013 and June 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own