In pancreatic cells, proglucagon is cleaved to produce glucagon, glicentin-related pancreatic polypeptide (GRPP), intervening peptide-1 (IP-1), and the major proglucagon fragment (MPGF), constituting GLP-1, IP-2, and GLP-2
For oral supplements, most experts suggest doses between 250 to 500 mg daily
a milkshake with protein
Frias JP, Guja C, Hardy E, Ahmed A, Dong F, Ohman P, et al
This is because of the unique ability of glutathione amino acid precursors to protect cells and catalyze the elimination of xenobiotics
Arch Intern Med (2010) 170(22):19962003