Comparison

CV Defense Immunity and Comfort Support

CV Defense Immunity (CV Sciences) lists 6 distinct ingredients and Comfort Support (GNC Preventive Nutrition) 1 (rows of one ingredient counted once); 1 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 0.35.

Amount per serving (and % of the Daily Value)
IngredientCV Defense ImmunityComfort Support
Palmitoylethanolamidenot disclosed150 mg
Vitamin D25 mcg (125%)
Zinc11 mg (100%)
Vitamin A0.3 mg
Selenium150 mcg (273%)
Reishi mushroomnot disclosed

Amounts are per serving as DSLD gives them: CV Defense Immunity, 2 capsules; Comfort Support, 1 capsule. Current labels entered December 2020 and November 2016. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own