Valine is an essential amino acid and, hence, it should be acquired by means of dietary resources. There are several natural resources of this amino acid, including soy protein, peanuts, mushrooms, dairy products and meats. While the diet of nearly all people contain sufficient amount of Valine, there are several incidences of Valine deficiency.
Metabolism in the muscles requires the presence of the amino acid Valine.
This amino acid is also essential for purposes of tissue repair and restoration. Valine is called a branch-chained amino acid or BCAA, which acts along with two additional BCAAs known as Leucine and Isoleucine.