Long pepper fruit extract comes from the dried fruit of Piper longum, a plant that is a relative of black pepper but not the same species. It delivers piperine plus several other active alkaloids. Traditional Ayurvedic practice uses it regularly.
The extract is taken mainly for digestive support and to help your body absorb other nutrients, herbs, and supplements more efficiently. For that reason you often see it inside combination formulas or paired with fat-soluble compounds.
Follow the dose printed on the product label, and take it with a meal or some fat to improve its own uptake. Be careful if you use prescription medications. The piperine in long pepper fruit extract can tweak liver enzyme activity (CYP450) and change how your body processes certain drugs. Talk to a healthcare professional before mixing the two.