Comparison

Glucosamine & Chondroitin and Extra Strength Glucosamine & Chondroitin

Glucosamine & Chondroitin (Bodybuilding.com Signature) lists 6 distinct ingredients and Extra Strength Glucosamine & Chondroitin (Protocol For Life Balance) 5 (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 0.90.

Amount per serving (and % of the Daily Value)
IngredientGlucosamine & ChondroitinExtra Strength Glucosamine & Chondroitin
Carbohydrate1 g2 g
Sodium85 mg110 mg
Potassium260 mg (6%)245 mg (5%)
Chondroitin Sulfate1,200 mg1,200 mg
Glucosamine Sulfate1.5 g1.5 g
Calcium170 mg (13%)

Amounts are per serving as DSLD gives them: Glucosamine & Chondroitin, 3 tablets; Extra Strength Glucosamine & Chondroitin, 2 tablets. Current labels entered October 2019 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