<Tr> <Td> Tryptophan </Td> <Td> 248 </Td> <Td> 796 </Td> </Tr> <Tr> <Td> Threonine </Td> <Td> 930 </Td> <Td> 1883 </Td> </Tr> <Tr> <Td> Isoleucine </Td> <Td> 1240 </Td> <Td> 2122 </Td> </Tr> <Tr> <Td> Leucine </Td> <Td> 2418 </Td> <Td> 3129 </Td> </Tr>

In the us most of the dietary protein comes from