Bioperine 10 Product No. 0900 Bioperine 10: The Nutrient Enhancer Studies have shown that this revolutionary phytonutrient enhances the bioavailability of various other key nutrients. Scientifically engineered for those seeking to reap maximum benefits from all the nutritional supplements and whole foods they're already taking. The active ingredient of Nature's Plus fast-acting capsules is a proprietary extract of the Piper nigrum fruit, commonly known as black pepper. One capsule contains Bioperine (from Piper nigrum fruit) standardized to 95% [9.5 mg] 1-piperoylpiperidine) 10mg