It would mean eating 90 pounds of regular raspberries in one sitting to equal the ketones found in a daily raspberry ketone supplement. For people looking to experience the purported 140 percent increase in fat loss per month, taking a few pills beats buying your own red raspberry farm.
The ketone, a naturally extracted component from the aroma molecules of raspberries, increases internal body temperature, boosting metabolism, and creating better breakdown of fat. According to Dr.Oz when the product was featured on his television show, the ketone slices

(Photo via FreeDigitalPhotos.net)
fat in half, making it easier to burn. The ingredient also regulates adiponectin, the hormone responsible for metabolism increase within the body. More adiponectin means less fat storage and better regulation of insulin levels, decreasing the risk of Type 2 diabetes.
No negative side effects have yet been reported for this all-natural fat-burner; however, some experts feel the supplement is too new to the market to deem it completely safe. Because raspberry ketone increases metabolism—a function controlled by the thyroid—some concern about long-term use has been noted. Prolonged usage of a thyroid-altering supplement could mean permanent damage to the organ and perhaps result in hypothyroidism, a condition characterized by weight gain and one that requires daily treatment with prescription medication.