It is the volatile oil from fruits of Piper nigrum P. (black pepper). The chief constituents are sabinene, pinene, Phellandrene Caryophyllene, etc. Mainly used as condiments, in foods and also have various medicinal applications. The oil stimulates the endocrine system and helps increase energy. It is supportive to the digestive glands and has been used traditionally for rheumatoid arthritis.