Comparison

Ultra Preventive 2 Daily and Ultra Preventive 2-A-day

Ultra Preventive 2 Daily (Douglas Laboratories) lists 31 distinct ingredients and Ultra Preventive 2-A-day (Douglas Laboratories) 31 (rows of one ingredient counted once); 31 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)
IngredientUltra Preventive 2 DailyUltra Preventive 2-A-day
Vitamin C120 mg (133%)120 mg (133%)
Calcium50 mg (4%)50 mg (4%)
Vitamin B610 mg (588%)10 mg (588%)
Vitamin D25 mcg (125%)25 mcg (125%)
Magnesium25 mg (6%)25 mg (6%)
Vitamin B12250 mcg (10417%)250 mcg (10417%)
Zinc15 mg (136%)15 mg (136%)
Niacin30 mg (188%)30 mg (188%)
Vitamin E67 mg (447%)100 IU
Potassium30 mg (under 1%)30 mg (under 1%)
Folate667 mcg DFE (167%)400 mcg
Vitamin A1.5 mg5,000 IU
Pantothenic Acid (Vitamin B5)25 mg (500%)25 mg (500%)
Riboflavin10 mg (769%)10 mg (769%)
Thiamin25 mg (2083%)25 mg (2083%)
Biotin300 mcg (1000%)300 mcg (1000%)
Chromium120 mcg (343%)120 mcg (343%)
Selenium100 mcg (182%)100 mcg (182%)
Copper1 mg (111%)1 mg (111%)
Iodine150 mcg (100%)150 mcg (100%)
Choline60 mg (11%)60 mg (11%)
Molybdenum100 mcg (222%)100 mcg (222%)
Inositol25 mg25 mg
Lutein3 mg3 mg
Blueberrynot disclosednot disclosed
Lycopene3 mg3 mg
Spinachnot disclosednot disclosed
Strawberrynot disclosednot disclosed
Zeaxanthin1 mg1 mg
Astaxanthin1 mg1 mg
Pterostilbene10 mg10 mg

Amounts are per serving as DSLD gives them: Ultra Preventive 2 Daily, 2 tablets; Ultra Preventive 2-A-day, 2 tablets. Current labels entered September 2022 and March 2014. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own