Comparison

Glucosamine 500 Chondroitin 400 and Glucosamine Chondroitin Sulfate

Glucosamine 500 Chondroitin 400 (GNC) lists 5 distinct ingredients and Glucosamine Chondroitin Sulfate (The Vitamin Shoppe) 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 0.66.

Amount per serving (and % of the Daily Value)
IngredientGlucosamine 500 Chondroitin 400Glucosamine Chondroitin Sulfate
Fat (unspecified)2 g2.5 g
Chondroitin Sulfate1,200 mg400 mg
Glucosamine Hydrochloride1.5 g0.5 g
Sodium120 mg
Polyunsaturated Fat1 g

Amounts are per serving as DSLD gives them: Glucosamine 500 Chondroitin 400, 3 softgels; Glucosamine Chondroitin Sulfate, 3 softgels. Current labels entered October 2011 and November 2017. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own