We have a health functional food called OATCAN HEALTH CARE. It is health functional food that helps you diet, lower blood glucose level and anti-cholesterol. Main material of OATCAN HEALTH CARE is HCA(Garsinia Cambogia Extract). Excess intake of carbohydrate makes our body accumulate fat, at this time HCA inhibit activation of enzyme called ATP-citrate lyase, which converts carbohydrate to fat. Also, it is verified by in vitro and in vivo. (Health functional foods ingredients, 2017.08., MFDS). Next main material is Oat dietary fiber(-glucan). First function is postprandial glucose on glycemic control. Oats are known for its anti-diabetic and inflammation effect, especially oats dietary fiber helps diabetic to reduce their insulin resistance and rate of complications. Also, Oats containing vitamin, dietary fiber and mineral are effective to lower blood glucose level. Second is improvement of blood cholesterol. Oat -glucan is effective to treat blood vessel disease, it is verified that having about 3g of -glucan can help lower 8-23% of cholesterol.