Comparison

C-1000 Zinc & D-3 and Immunity Shield

C-1000 Zinc & D-3 (NOW) lists 3 distinct ingredients and Immunity Shield (Vitamins of America) 3 (rows of one ingredient counted once); 3 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)
IngredientC-1000 Zinc & D-3Immunity Shield
Vitamin C1,000 mg (1111%)1,000 mg (1111%)
Vitamin D50 mcg (250%)62.5 mcg (313%)
Zinc15 mg (136%)20 mg (182%)

Amounts are per serving as DSLD gives them: C-1000 Zinc & D-3, 1 veg capsule; Immunity Shield, 1 tablet. Current labels entered May 2024 and December 2021. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own