Burn more calories, Boost your digestion, aid in your weight loss journey and help your immune system the natural way. Our natural ingredients are one of the most effective tools for increasing the metabolism and helps burn calories faster. Raspberries have been shown to contain a natural substance called ketones, which are similar to capsaicin, the compound that gives hot peppers their fire. Animal studies have found that raspberry ketones prevented an increase in overall body fat and visceral fat, the deep internal belly fat considered to be most dangerous due to its relationship to an increased risk of heart disease, type 2 diabetes and certain cancers. Berries are a terrific source of fiber, another key factor in weight control.