Whey protein, fish oil, yeast, spirulina, L-carnitine, konjac powder, etc. Some of these nouns are not new, and some are a little abstruse, but after being added to diet foods by merchants, they all have magical effects, such as increasing body muscles and reducing fat, increasing satiety, eliminating edema and expelling toxins, and blocking fat absorption. We visited the market and found that these dazzling diet foods, because of these "special effects" ingredients, have doubled their value and attracted many slimming people's pursuit.