Comparison

Vitamin C + D3 & Zinc and Once A Day Immune Complex

Vitamin C + D3 & Zinc (NutriBiotic Immunity) lists 3 distinct ingredients and Once A Day Immune Complex (CGM Labs) 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)
IngredientVitamin C + D3 & ZincOnce A Day Immune Complex
Vitamin C1,500 mg (1667%)900 mg (1000%)
Vitamin D125 mcg (625%)62.5 mcg (313%)
Zinc40 mg (364%)25 mg (227%)

Amounts are per serving as DSLD gives them: Vitamin C + D3 & Zinc, 2 capsules; Once A Day Immune Complex, 1 capsule. Current labels entered March 2023 and July 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own