Comparison

Oyster Extract and Oyster Shell Calcium 500 Mg + D

Oyster Extract (BulkSupplements.com) lists 1 distinct ingredients and Oyster Shell Calcium 500 Mg + D (Pharbestusa) 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)
IngredientOyster ExtractOyster Shell Calcium 500 Mg + D
Oyster500 mg500 mg

Amounts are per serving as DSLD gives them: Oyster Extract, 500 milligrams; Oyster Shell Calcium 500 Mg + D, 1 tablet. Current labels entered September 2023 and October 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own