Comparison

EDTA 450 mg and EDTA 440 mg

EDTA 450 mg (Dr. Clark Research Association Dr. Clark Zentrum) lists 1 distinct ingredients and EDTA 440 mg (Dr. Clark Store) 1 (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 1.00: the same ingredients, at the amounts in the table below.

Amount per serving (and % of the Daily Value)
Ingredient	EDTA 450 mg	EDTA 440 mg
EDTA	900 mg	880 mg

Amounts are per serving as DSLD gives them: EDTA 450 mg, 2 capsules; EDTA 440 mg, 2 capsules. Current labels entered June 2020 and May 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

EDTA 450 mgDr. Clark Research Association Dr. Clark Zentrum: every row against all products listing it
EDTA 440 mgDr. Clark Store: every row against all products listing it