Collagen peptide is a kind of medicine used for beauty, it is possible to bring side effects when used for a long time. The main reason is that the collagen peptide is affected by the raw materials used, generally the raw materials of the commonly used collagen peptide come from the hides of cattle, pigs, fish and other animals that are artificially raised, if the additives are used during the raising process, the water source is polluted, or the hides of animals with diseases such as avian flu or foot and mouth disease are used, it may bring risks. Some collagen peptide in the processing will also artificially add hormone drugs, or have flavor, pigment, etc., long-term use will bring many side effects to the body, so usually when using collagen peptide, must choose the regular manufacturers.