From the Manufacturer's Label:
BioPerine® is a pure form of piperine, derived from the fruits of black pepper.
BioPerine® is non-irritating to the gastrointestinal tract. **
Manufactured by Source Naturals.Suitable for vegetarians and contains no yeast, dairy, egg, gluten, corn, soy, or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor, or fragrance.