Comparison

D-Ribose with Malic Acid Complex and D-Ribose Powder Malic Acid + Magnesium

D-Ribose with Malic Acid Complex (Swanson Ultra) lists 5 distinct ingredients and D-Ribose Powder Malic Acid + Magnesium (PureFormulas) 5 (rows of one ingredient counted once); 5 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)
IngredientD-Ribose with Malic Acid ComplexD-Ribose Powder Malic Acid + Magnesium
Carbohydrate5 g6 g
Sugar5 g5 g
Magnesium43 mg (10%)40 mg (10%)
Malic Acid240 mg240 mg
Ribose5.06 g5 g

Amounts are per serving as DSLD gives them: D-Ribose with Malic Acid Complex, 6.1 g; D-Ribose Powder Malic Acid + Magnesium, 6.2 g. Current labels entered September 2019 and August 2019. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own