Amino acids can be further more processed to supply Power for growth and advancement. Those with IBD deficiency have insufficient levels of an enzyme that can help break down a certain amino acid called valine.????? ? ?? ???? ??? ??? ???? ????? ??? ????? ???? ?????? ???? ?? ?? ????? ???? ? ?? ??? ?????????. ?????.?? ??? ????? ??? ??? ???? ???? ???