Comparison

100% Natural Hawaiian Spirulina Powder and 100% Natural Spirulina 500 mg

100% Natural Hawaiian Spirulina Powder (NOW) lists 12 distinct ingredients and 100% Natural Spirulina 500 mg (NOW) 12 (rows of one ingredient counted once); 12 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)
Ingredient100% Natural Hawaiian Spirulina Powder100% Natural Spirulina 500 mg
Carbohydrate1.5 g0.5 g
Calcium30 mg (2%)15 mg (1%)
Sodium100 mg40 mg
Vitamin B125 mcg (208%)2 mcg (83%)
Vitamin A26,250 IU11,250 IU
Riboflavin0.25 mg (19%)0.11 mg (8%)
Thiamin0.175 mg (15%)0.075 mg (6%)
Protein4 g2 g
Iron3.5 mg (19%)1.5 mg (8%)
Blue-Green Algae7,000 mg3,000 mg
Gamma Linolenic Acid65 mg30 mg
Chlorophyll55 mg25 mg

Amounts are per serving as DSLD gives them: 100% Natural Hawaiian Spirulina Powder, 1 tbsp; 100% Natural Spirulina 500 mg, 6 tablets. Current labels entered October 2012 and November 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own