Comparison

Spirulina Plus 500 mg and Spirulina Plus

Spirulina Plus 500 mg (Indiana Botanic Gardens) lists 9 distinct ingredients and Spirulina Plus (Indiana Botanic Gardens) 8 (rows of one ingredient counted once); 8 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 0.90.

Amount per serving (and % of the Daily Value)
IngredientSpirulina Plus 500 mgSpirulina Plus
Calcium36 mg (3%)36 mg (3%)
Vitamin B122 mcg (83%)2 mcg (83%)
Vitamin A1,600 IU1,600 IU
Iron1 mg (6%)1 mg (6%)
Selenium1 mcg (2%)1 mcg (2%)
Vitamin K20 mcg (17%)20 mcg (17%)
Phosphorus30 mg (2%)30 mg (2%)
Blue-Green Algae1,000 mg1,000 mg
Protein1 g

Amounts are per serving as DSLD gives them: Spirulina Plus 500 mg, 2 tablets; Spirulina Plus, 2 tablets. Current labels entered December 2017 and December 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own