Burning fat is one of the primary benefits of raspberry ketones. They have the ability to raise the core temperature of your body so that more fat is burned. They have three main affects that lead to a decrease in weight: Keto Melt and Trim 800 Fat is burned - Lipolysis, which is the breaking down of lipids, increases. Lipid metabolism is changed and that affects the amount of fat that is burned. Metabolism is increased - Metabolism is the speed at which calories are used for fuel. Even the energy used when resting will be increased. More fat is lost when dieting - Dieting will cause some fat to be lost, but even more fat will be lost when dieting is combined with raspberry ketones.