Comparison

Basic Preventive 1 (Plus Iron And Copper) and Basic Preventive 2 (Iron and Copper Free)

Basic Preventive 1 (Plus Iron And Copper) (Douglas Laboratories) lists 33 distinct ingredients and Basic Preventive 2 (Iron and Copper Free) (Douglas Laboratories) 32 (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 0.93.

Amount per serving (and % of the Daily Value)
IngredientBasic Preventive 1 (Plus Iron And Copper)Basic Preventive 2 (Iron and Copper Free)
Vitamin C1,200 mg (1333%)1,200 mg (1333%)
Calcium500 mg (38%)500 mg (38%)
Vitamin B650 mg (2941%)50 mg (2941%)
Vitamin D2.5 mcg (13%)2.5 mcg (13%)
Magnesium500 mg (119%)500 mg (119%)
Vitamin B12100 mcg (4167%)100 mcg (4167%)
Zinc20 mg (182%)20 mg (182%)
Niacin200 mg (1250%)200 mg (1250%)
Vitamin E400 IU268 mg (1787%)
Potassium99 mg (2%)99 mg (2%)
Folate800 mcg1,333 mcg DFE (333%)
Pantothenic Acid (Vitamin B5)400 mg (8000%)400 mg (8000%)
Riboflavin50 mg (3846%)50 mg (3846%)
Thiamin100 mg (8333%)100 mg (8333%)
Biotin300 mcg (1000%)300 mcg (1000%)
Chromium200 mcg (571%)200 mcg (571%)
Selenium200 mcg (364%)200 mcg (364%)
Manganese20 mg (870%)20 mg (870%)
Iodine150 mcg (100%)150 mcg (100%)
Choline150 mg (27%)60 mg (11%)
Vitamin K60 mcg (50%)60 mcg (50%)
Molybdenum150 mcg (333%)150 mcg (333%)
Inositol50 mg50 mg
Boron2 mg2 mg
Flavonoid100 mg100 mg
Vanadium39 mcg39 mcg
PABA50 mg50 mg
Liver51 mg51 mg
Adrenals26 mg27 mg
Thymus51 mg51 mg
Spleen51 mg51 mg
Vitamin A7.5 mg
Iron20 mg (111%)
Copper2 mg (222%)

Amounts are per serving as DSLD gives them: Basic Preventive 1 (Plus Iron And Copper), 6 tablets; Basic Preventive 2 (Iron and Copper Free), 6 tablets. Current labels entered July 2012 and August 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own