Comparison

MSM + Vitamin C Fundamental Sulfur and Fundamental Sulfur

MSM + Vitamin C Fundamental Sulfur (Douglas Laboratories) lists 3 distinct ingredients and Fundamental Sulfur (Douglas Laboratories) 3 (rows of one ingredient counted once); 3 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 + Vitamin C Fundamental SulfurFundamental Sulfur
Vitamin C100 mg (111%)100 mg (111%)
Molybdenum25 mcg (56%)25 mcg (56%)
Methylsulfonylmethane500 mg500 mg

Amounts are per serving as DSLD gives them: MSM + Vitamin C Fundamental Sulfur, 1 tablet; Fundamental Sulfur, 1 tablet. Current labels entered October 2020 and July 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own