Catfish is one type of freshwater fish that has a source of animal protein is quite high about 20%. Usefulness or privilege of high enough protein source in catfish is not only to increase protein levels in our body, but also can be made as a complement of protein quality in our diet. In addition to containing high enough protein, in the content of catfish also contains leucine, methionine, and essential oils and amino acids with higher protein content when compared with meat and milk. In one study stated that, freshwater fish contain methionine and high levels of sitin. You need to know that this sitin serves to assist in the process of child growth, and also can be used as a framework for niacin during the healing process of herpes disease.