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Digestive Enzymes, Digestive Health, DU, FIP, HUT, Label Reading, Smart Shopping, Supplement Education, The Natural
Digestive Enzyme Activity Units, Made Simple: HUT, FIP, and DU
Digestive enzyme labels often use activity units instead of milligrams. Learn what HUT, FIP, and DU mean—and how to compare products more clearly.
August 26, 2026

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