* The Energy Supplements * Piper Nigrum Supplement * Nutrient & Herb Enhancer * Hypo-Allergenic * Gluten Free * Quality, Natural Supplements * Vcaps * Bioperine Bioperine 10 is a revolutionary thermonutrient scientifically engineered for those individuals concerned with receiving maximum benefit from all Nature"s Plus and Herbal Actives nutritional supplements. Each fast-acting capsule contains a proprietary extract of Piper nigrum fruit, which studies have shown enhances the bioavailability of nutrients. Nutritional Support for Healthy Digestion.