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Limited evidenceGut health

Lipase

The fat-splitting enzyme sold to make heavy meals more comfortable. Two small crossover trials in healthy people found measurable effects, which is a thin base for such a widely sold product.

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What the science says

  • Fullness after a fatty meal Limited evidence

    In a crossover study in healthy volunteers, lipase taken before a high-fat meal reduced sensations of fullness and bloating. The study was small and measured perceptions rather than actual digestion.

  • Nutrient handling after a meal Limited evidence

    A randomized, double-blind, placebo-controlled crossover trial found an oral multienzyme supplement altered postprandial plasma nutrient concentrations in healthy middle-aged and older adults. Whether that produces any symptom benefit was not established.

Dosage & safety

Studied doseSupplements typically supply 5,000–20,000 lipase units per capsule taken with meals. The fullness study used a single dose immediately before a high-fat meal.
SafetyGenerally well tolerated. Porcine-derived forms carry the same considerations as pancreatin, while fungal and plant lipases are alternatives for those avoiding animal products. Ongoing fat malabsorption, greasy stools or weight loss should be investigated medically rather than self-treated.

How to take it

TimingTake it at the start of the meal.
With food?With food, always.
Worth knowingFungal lipase stays active over a wider pH range than porcine, which matters if you take acid-suppressing medication.

Interactions

With medications

  • orlistat

    Orlistat is a lipase inhibitor, so the two work directly against each other. there is no point taking both, so pick one

Well-established interactions only — this is not a complete list. Always tell your doctor and pharmacist what you take.

Frequently asked questions

Do lipase supplements help digest fatty meals?

The evidence is limited: one small crossover study found lipase before a high-fat meal reduced fullness and bloating in healthy people, measuring perceptions rather than actual digestion.

How much lipase should I take?

Lipase supplements typically supply 5,000–20,000 lipase units per capsule, taken at the start of a meal. The fullness study used a single dose immediately before a high-fat meal.

Can I take lipase with orlistat?

There is no point: orlistat is a lipase inhibitor, so lipase supplements and orlistat work directly against each other.

Is fungal or porcine lipase better?

Fungal lipase stays active over a wider pH range than porcine lipase, which matters if you take acid-suppressing medication, and it suits people avoiding animal products. Ongoing greasy stools or weight loss need medical investigation.

Scientific references

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