Raspberry ketone is a chemical from red raspberries, as well as kiwifruit, peaches, grapes, apples, other berries, vegetables such as rhubarb, and the bark of yew, maple, and pine trees. People take raspberry ketone by mouth for weight loss. It became popular for weight loss after it was mentioned on the Dr. Oz television show during the segment called “Raspberry ketone: Miracle fat-burner in a bottle” in February 2012.
How does it work inside your body?
Raspberry ketone is a chemical from red raspberries that is thought to help for weight loss. Some research in animals or in test tubes shows that raspberry ketone might increase some measures of metabolism. It might also affect a hormone in the body called adiponectin. Adiponectin can increase the rate at which the body burns fat and reduce appetite.
Early research suggests that taking raspberry ketone plus vitamin C might decrease weight and body fat in healthy people. Other research suggests that taking a specific product (Prograde Metabolism) containing raspberry ketone (Razberi K, Integrity Nutraceuticals) and other ingredients including caffeine twice daily for 8 weeks reduces body weight by 2%, fat mass by 7.8%, waist circumference by 2%, and hip circumference by 1.7%. The effects of taking raspberry ketone alone are not clear