The medium-chain-fatty-acid triglyceride (MCTs) contained in coconut oil has the feature of not storing up body fat it being easy to become energy. The medium chain triglyceride diet is well known. This triglycerides was classified into the long chain / inside chain / short chain according to the length of a molecule, and much vegetable oil, lard, etc. consist of long chain fatty acid. Long chain fatty acid is slowly absorbed by a small intestine, and it goes into lymph Suga or a vein, it is carried to muscles or adipose tissue, and an excessive thing is accumulated as body fat. However, also about 4 times, it is absorbed quickly, is directly sent to liver, it is promptly decomposed by liver, and medium chain fatty acid becomes energy.