Valine 50™ Oral Supplement Unflavored Powder 4 Gram Individual Packet (1138754_BX) 30/BXValine is an amino acid needed for growth in children and nitrogen balance in adults; Valine50 contains 1250 milligrams of L Valine in a 4 gram packet. Valine50 is or those as young as 1 year of age who have been diagnosed with certain metabolic disorders. Valine50 can be mixed into other permitted food or drink such as a protein substitute. Box contains 30 0. 14 ounce packets of powdered amino acid medical food on a carbohydrate base.