Comparison

Sustained Release Glucosamine & Chondroitin and Glucosamine Chondroitin Complete

Sustained Release Glucosamine & Chondroitin (NOW) lists 9 distinct ingredients and Glucosamine Chondroitin Complete (Vitamer Laboratories) 8 (rows of one ingredient counted once); 7 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 0.70.

Amount per serving (and % of the Daily Value)
IngredientSustained Release Glucosamine & ChondroitinGlucosamine Chondroitin Complete
Carbohydrate3 g3 g
Vitamin C60 mg (67%)300 mg (333%)
Sodium125 mg130 mg
Protein0.5 g1 g
Manganese6 mg (261%)3 mg (130%)
Chondroitin Sulfate1,200 mg1,500 mg
Glucosamine Sulfate1.5 g1.5 g
Calcium36 mg (3%)
Potassium270 mg (6%)
Hyaluronic acid25 mg

Amounts are per serving as DSLD gives them: Sustained Release Glucosamine & Chondroitin, 3 tablets; Glucosamine Chondroitin Complete, 3 tablets. Current labels entered August 2013 and June 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own