Amino acid formula with vitamins and minerals without lysine and low in tryptophan: Sachets containing oral powder 24 g, Sachets containing oral powder 25 g; GA Gel®; GA Express 15® Page last updated: 5 March 2021 Public Summary Document (PSD) November 2020 PBAC Meeting - (PDF 886KB) Public Summary Document (PSD) November 2020 PBAC Meeting - (Word 47KB)