Comparison
Niacin and Feverfew
Niacin (Nature's Sunshine) lists 3 distinct ingredients and Feverfew (GNC Herbal Plus Standardized) 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 0.45.
| Ingredient | Niacin | Feverfew |
|---|---|---|
| Feverfew | not disclosed | 380 mg |
| Niacin | 250 mg (1563%) | |
| Hops | not disclosed |
Amounts are per serving as DSLD gives them: Niacin, 1 tablet; Feverfew, 1 capsule. Current labels entered October 2022 and October 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.