Unroasted Green coffee (Coffea arabica) bean contain chlorogenic acids having antioxidant effects that helps in lowering blood pressure, and body weight. Green Coffee can reduce body weight, proved by several clinical trials.
The dried rind of Garcinia (Garcinia cambogia) which is known as Malabar tamarind is used as a food preservative, flavoring agent and carminative, and is now popularly used as an active ingredient of dietary supplements for weight loss in developed countries. Polyphenolic components present in Green tea (Camellia sinensis) is having antioxidant properties. The predominant active components are catechins, among which epigallocatechin- 3-gallate and epicatechin-3-gallate are the most effective antioxidant compounds. Ginger (Zingiber officinale) used as a spice as well as medicine in India and China. Native Americans are using wild ginger rhizome to regulate menstruation and heartbeat. Ginger is thought to act directly on the gastrointestinal system to reduce nausea. Also prevent nausea resulting from chemotherapy, motion sickness, and surgery.