Digestive enzymes break down fat (lipase), protein (protease) and starch (amylase). Prescription pancrelipase, such as Creon, is made from pig pancreas and replaces enzymes the pancreas does not make in exocrine pancreatic insufficiency. Over-the-counter enzyme blends are sold as dietary supplements.
Also known as: pancrelipase, pancreatic enzymes, Creon, lipase, protease, amylase, PERT.
Creon delayed-release capsules are labeled in lipase units: 3,000, 6,000, 12,000, 24,000 and 36,000 USP units of lipase per capsule, each with set amounts of protease and amylase. Supplement enzyme blends are not standardized the same way.
Creon is a prescription drug indicated for exocrine pancreatic insufficiency in adults and children. Dosing is based on lipase units and set by the prescriber from body weight or fat intake; the label says not to swap in other pancreatic enzyme products, and not to crush or chew the capsules or their contents. A 2010 trial report notes that FDA now requires all pancreatic enzyme products to go through clinical efficacy and safety studies before they can be approved.
Label warnings: fibrosing colonopathy (a rare, serious narrowing of the colon) has been reported, mainly with high doses over long periods in children with cystic fibrosis; doses above 6,000 lipase units per kg per meal have been linked to colon strictures in children under 12. The label also warns of high uric acid at high doses, a possible risk of passing on pig viruses, and allergic reactions in people sensitive to pork proteins.
What studies show: in 17 children aged 7 to 11 with cystic fibrosis, fat absorption was 82.8% on pancrelipase versus 47.4% on placebo (Graff 2010). In pooled data from 2 trials in chronic pancreatitis, 72% on pancrelipase reported fewer stools at 1 week versus 38% on placebo (Barkin 2021). These results are for prescription products; the sources here do not cover over-the-counter enzyme supplements, which are sold under supplement rules and are not FDA-approved.
The Creon label says the lipases, proteases and amylases are not absorbed from the gut in meaningful amounts; they work in the gut during the meal. So there is no half-life or time to peak to list.
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