Comparison

Immune Boost and First Response Citrus Orange

Immune Boost (NaturesPlus) lists 6 distinct ingredients and First Response Citrus Orange (NutraBio) 6 (rows of one ingredient counted once); 5 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 0.71.

Amount per serving (and % of the Daily Value)
IngredientImmune BoostFirst Response Citrus Orange
Vitamin C1,000 mg (1111%)3,000 mg (3333%)
Vitamin D125 mcg (625%)50 mcg (250%)
Zinc30 mg (273%)30 mg (273%)
Selenium200 mcg (364%)200 mcg (364%)
N-Acetyl Cysteine600 mg600 mg
Vitamin A900 mcg RAE (100%)
Copper3 mg (333%)

Amounts are per serving as DSLD gives them: Immune Boost, 2 tablets; First Response Citrus Orange, 4.49 g. Current labels entered October 2023 and May 2024. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own