"The most important amino acids present in fox nut are leucine, isoleucine, methionine, cysteine, arginine, and glutamine," noted researchers in the 2023 paper. "The precursors to creatine are the ...
Isoleucine is one of the three branched-chain amino acids (BCAAs). It is considered an essential amino acid because the body cannot produce it, and it must be obtained through diet or supplementation.