Comparison

Spirulina 4,300 mg and 100% Natural Hawaiian Spirulina Powder

Spirulina 4,300 mg (New Sun) lists 9 distinct ingredients and 100% Natural Hawaiian Spirulina Powder (NOW) 12 (rows of one ingredient counted once); 9 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 0.73.

Amount per serving (and % of the Daily Value)
IngredientSpirulina 4,300 mg100% Natural Hawaiian Spirulina Powder
Carbohydrate0.643 g1.5 g
Sodium51 mg100 mg
Vitamin A10,710 IU26,250 IU
Riboflavin0.148 mg (11%)0.25 mg (19%)
Thiamin0.132 mg (11%)0.175 mg (15%)
Protein2.57 g4 g
Iron5 mg (28%)3.5 mg (19%)
Blue-Green Algae4,300 mg7,000 mg
Gamma Linolenic Acid215 mg65 mg
Calcium30 mg (2%)
Vitamin B125 mcg (208%)
Chlorophyll55 mg

Amounts are per serving as DSLD gives them: Spirulina 4,300 mg, 4.3 g; 100% Natural Hawaiian Spirulina Powder, 1 tbsp. Current labels entered August 2012 and October 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own