Comparison

FeelAnew and Original Formula Glucosamine & Chondroitin

FeelAnew (Natrol) lists 4 distinct ingredients and Original Formula Glucosamine & Chondroitin (21st Century) 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 0.64.

Amount per serving (and % of the Daily Value)
IngredientFeelAnewOriginal Formula Glucosamine & Chondroitin
Sodium5 mg30 mg
Chondroitin Sulfate334 mg400 mg
Glucosamine Sulfate1.11 g0.5 g
Phellodendron250 mg

Amounts are per serving as DSLD gives them: FeelAnew, 2 tablets; Original Formula Glucosamine & Chondroitin, 2 capsules. Current labels entered September 2017 and July 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own