Comparison

100% Organic Spirulina 500 mg and Spirulina 500 mg Tablets

100% Organic Spirulina 500 mg (VitaCeutical Labs) lists 21 distinct ingredients and Spirulina 500 mg Tablets (Health Ranger Select) 25 (rows of one ingredient counted once); 20 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 0.83.

Amount per serving (and % of the Daily Value)
Ingredient100% Organic Spirulina 500 mgSpirulina 500 mg Tablets
Vitamin B60.03 mg (2%)0.02 mg (1%)
Sodium25 mg19 mg
Magnesium6 mg (1%)10 mg (2%)
Vitamin B126 mcg (250%)5 mcg (208%)
Niacin0.5 mg (3%)0.5 mg (3%)
Potassium30 mg (under 1%)45 mg (under 1%)
Vitamin A6,900 IU7 mg
Riboflavin0.2 mg (15%)not disclosed
Protein2 g2.1 g
Iron1 mg (6%)2 mg (11%)
Chromium4.5 mcg (13%)80 mcg (229%)
Manganese0.05 mg (2%)0.1 mg (4%)
Iodine6 mcg (4%)3 mcg (2%)
Vitamin K28 mcg (23%)30 mcg (25%)
Phosphorus24 mg (2%)29 mg (2%)
Blue-Green Algae3,000 mg3,000 mg
Zeaxanthin2 mg4 mg
Gamma Linolenic Acid23 mg46 mg
Chlorophyll42 mg35 mg
C-Phycocyanin480 mg600 mg
Carbohydrate0.4 g
Calcium11 mg (under 1%)
Fat (unspecified)0.2 g
Thiamin0.02 mg (2%)
Fiber0.1 g
Inositol2 mg

Amounts are per serving as DSLD gives them: 100% Organic Spirulina 500 mg, 6 tablets; Spirulina 500 mg Tablets, 6 tablets. Current labels entered November 2015 and June 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own