IDO途徑抑制劑(50 mg)產品是IDO pathway inhibitor is a methylated tryptophan with anti-immunosuppressive activity. 1-Methyl-D-tryptophan inhibits the enzyme indoleamine 2,3-dioxygenase (IDO), which degrades the essential amino acid tryptophan, and may increase or maintain tryptophan levels important to T cell function.?