The rich and powerful of the useful and therapeutic (medicinal) properties make extensive use of oats in folk medicine. In grain oats contain up to 60 percent starch, 5-8 percent fat, high in protein - 10-18 percent (second only to the buckwheat), rich in amino acids such as tryptophan nezamenimymi and lysine. In oats also contain essential oils, gum, a variety of vitamins B1, B2, B6, carotene, vitamin K, nicotinic acid and pantogenovaya. In oats found potassium, magnesium, phosphorus, iron, chromium, manganese, zinc, nickel, fluorine, iodine, and others. Oat groats are rich in sulfur.