Comparison

MSM 1000 mg With Ester C and Ester C 600 mg

MSM 1000 mg With Ester C (HBC Hypericum Buyers Club) lists 2 distinct ingredients and Ester C 600 mg (SuperSmart) 2 (rows of one ingredient counted once); 1 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 0.56.

Amount per serving (and % of the Daily Value)
IngredientMSM 1000 mg With Ester CEster C 600 mg
Calcium Ascorbate80 mg9,444 mg
Vitamin C7,200 mg (8000%)
Methylsulfonylmethane4,000 mg

Amounts are per serving as DSLD gives them: MSM 1000 mg With Ester C, 4 capsules; Ester C 600 mg, 10 vegetarian capsules. Current labels entered June 2017 and June 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own