“Glycine, D- or L-serine, L-threonine, L-methionine, L-alanine, and L-valine all individually protected against the inactivation of glycine , L-serine, L-threonine, L-methionine, L-alanine, L-valine, L-proline, and beta-alanine transport, while L-proline, beta-alanine,”