Comparison

Gluten Defense and Similase GFCF

Gluten Defense (Nature's Way) lists 7 distinct ingredients and Similase GFCF (Integrative Therapeutics) 7 (rows of one ingredient counted once); 7 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)
IngredientGluten DefenseSimilase GFCF
Lipasenot disclosednot disclosed
Amylasenot disclosednot disclosed
Cellulasenot disclosednot disclosed
Lactasenot disclosednot disclosed
Sucrasenot disclosednot disclosed
Phytasenot disclosednot disclosed
Proteasenot disclosednot disclosed

Amounts are per serving as DSLD gives them: Gluten Defense, 2 capsules; Similase GFCF, 2 capsules. Current labels entered April 2025 and May 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • Gluten DefenseNature's Way: every row against all products listing it
  • Similase GFCFIntegrative Therapeutics: every row against all products listing it