Comparison

Spirulina 500 mg Blue-Green Algae and NADH Coenzyme B-3

Spirulina 500 mg Blue-Green Algae (Good 'N Natural) lists 2 distinct ingredients and NADH Coenzyme B-3 (Source Naturals) 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 0.61.

Amount per serving (and % of the Daily Value)
IngredientSpirulina 500 mg Blue-Green AlgaeNADH Coenzyme B-3
Chlorophyllin10.5 mg1 mg
Blue-Green Algae1,500 mg

Amounts are per serving as DSLD gives them: Spirulina 500 mg Blue-Green Algae, 3 tablets; NADH Coenzyme B-3, 1 tablet. Current labels entered March 2016 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own