CoffeeSilm is a method to reduce appetite through the principle of "inducing heat generation", which is safer and will not make weight rebound. "Heat generation" refers to burning body fat, which is a natural and safe way to lose weight. Slimming coffee uses Garcinia Garcinia extract, citrus fruit extract, low-sweet active fructose and Colombian high-quality instant coffee, and extracts a proper proportion, thus producing the effect of "inducing heat generation" and achieving the slimming effect.