Comparison

Spirulina Powder and Spirulina 4,300 mg

Spirulina Powder (PureBulk.com) lists 10 distinct ingredients and Spirulina 4,300 mg (New Sun) 9 (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 0.69.

Amount per serving (and % of the Daily Value)
IngredientSpirulina PowderSpirulina 4,300 mg
Carbohydrate1.4 g0.643 g
Sodium67 mg51 mg
Vitamin A23,917 IU10,710 IU
Riboflavin0.32 mg (25%)0.148 mg (11%)
Thiamin0.21 mg (18%)0.132 mg (11%)
Protein4.8 g2.57 g
Iron6.3 mg (35%)5 mg (28%)
Blue-Green Algae7,000 mg4,300 mg
Calcium7 mg (under 1%)
Fat (unspecified)1 g
Gamma Linolenic Acid215 mg

Amounts are per serving as DSLD gives them: Spirulina Powder, 7,000 mg; Spirulina 4,300 mg, 4.3 g. Current labels entered October 2013 and August 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own