Comparison

Glucosamine & Chondroitin plus Hyaluronic Acid + MSM and Glucosamine Chondroitin Complex plus MSM

Glucosamine & Chondroitin plus Hyaluronic Acid + MSM (21st Century) lists 8 distinct ingredients and Glucosamine Chondroitin Complex plus MSM (up&up) 6 (rows of one ingredient counted once); 6 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 0.78.

Amount per serving (and % of the Daily Value)
IngredientGlucosamine & Chondroitin plus Hyaluronic Acid + MSMGlucosamine Chondroitin Complex plus MSM
Carbohydrate2 g4 g
Sodium120 mg25 mg
Methylsulfonylmethane500 mg1,500 mg
Chondroitin Sulfate1,200 mg200 mg
Hyaluronic acidnot disclosed3.3 mg
Glucosamine Hydrochloride1.5 g1.5 g
Sugar1 g
Siliconnot disclosed

Amounts are per serving as DSLD gives them: Glucosamine & Chondroitin plus Hyaluronic Acid + MSM, 3 tablets; Glucosamine Chondroitin Complex plus MSM, 3 tablets. Current labels entered September 2019 and March 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own