Each serving contains 40 mg of caffeine, which comes from Green Tea extract, as well as an extra 100 mg of natural caffeine. This can help promote fat burning and help the immune system. However, this dosage could cause nausea or an increased heart rate. Garcinia Cambogia is a pumpkin like fruit which contains Hydrocitric Acid (HCA). This can help metabolize lipids (fats). This is true in animal studies, yet has not proven effective in a significant amount of human trials. The ingredient Choline also has little or no proof that it has any effect on metabolizing fat. This organic compound is more often used to build neurotransmitters in the brain, acting as a “smart drug”. Currently there is no research proving that a boosted level of Inositol in a human body can produce any health benefits. L-Methionine is not recommended for supplementing unless recommended and monitored by a physician. However, nutritionist and author of “The Fat Flush Foods” Ann Louise Gittleman, Ph.D. argues that L- Methionine, teamed up with Choline and Inositol, is a powerful detoxifier, cholesterol zapper, and fat reducer.