Comparison

Glucosamine/MSM and Glucosamine HCl 1500 mg MSM 1500 mg

Glucosamine/MSM (Karuna) lists 2 distinct ingredients and Glucosamine HCl 1500 mg MSM 1500 mg (Simply Right) 2 (rows of one ingredient counted once); 2 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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
IngredientGlucosamine/MSMGlucosamine HCl 1500 mg MSM 1500 mg
Methylsulfonylmethane2,250 mg1,500 mg
Glucosamine (unspecified)1,500 mg1,500 mg

Amounts are per serving as DSLD gives them: Glucosamine/MSM, 6 capsules; Glucosamine HCl 1500 mg MSM 1500 mg, 2 tablets. Current labels entered August 2013 and April 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own