Comparison

Glucosamine S 750 mg and Glucosamine Sulfate

Glucosamine S 750 mg (Highland Laboratories) lists 3 distinct ingredients and Glucosamine Sulfate (NOW) 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 0.58.

Amount per serving (and % of the Daily Value)
IngredientGlucosamine S 750 mgGlucosamine Sulfate
Potassium80 mg (2%)245 mg (5%)
Glucosamine Sulfate0.48 g1.5 g
Glucosamine Hydrochloride0.27 g

Amounts are per serving as DSLD gives them: Glucosamine S 750 mg, 1 capsule; Glucosamine Sulfate, 2 capsules. Current labels entered October 2017 and December 2011. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own