Comparison

MSM 1000 mg and Super M.S.M. 1000 mg

MSM 1000 mg (Thompson) lists 4 distinct ingredients and Super M.S.M. 1000 mg (Wonder Laboratories) 4 (rows of one ingredient counted once); 4 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)
IngredientMSM 1000 mgSuper M.S.M. 1000 mg
Vitamin C100 mg (111%)100 mg (111%)
Potassium40 mg (under 1%)40 mg (under 1%)
Manganese5 mg (217%)5 mg (217%)
Methylsulfonylmethane1,000 mg1,000 mg

Amounts are per serving as DSLD gives them: MSM 1000 mg, 1 tablet; Super M.S.M. 1000 mg, 1 tablet. Current labels entered August 2014 and March 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own