Comparison

Spirulina 500 mg and Spirulina

Spirulina 500 mg (Mountain Meadow Herbs) lists 1 distinct ingredients and Spirulina (BRI Nutrition) 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	Spirulina 500 mg	Spirulina
Blue-Green Algae	2,000 mg	2,000 mg

Amounts are per serving as DSLD gives them: Spirulina 500 mg, 4 capsules; Spirulina, 4 veggie capsules. Current labels entered January 2020 and February 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

Spirulina 500 mgMountain Meadow Herbs: every row against all products listing it
SpirulinaBRI Nutrition: every row against all products listing it