<Tr> <Td> Legumes </Td> <Td> 64 </Td> <Td> 38 </Td> <Td> 12 </Td> <Td> 25 </Td> </Tr> <Tr> <Td> Cereals and whole grains </Td> <Td> 31 </Td> <Td> 32 </Td> <Td> 12 </Td> <Td> 37 </Td> </Tr> <Tr> <Td> Nuts and seeds </Td> <Td> 45 </Td> <Td> 36 </Td> <Td> 17 </Td> <Td> 46 </Td> </Tr> <Tr> <Td> Fruits </Td> <Td> 45 </Td> <Td> 29 </Td> <Td> 11 </Td> <Td> 27 </Td> </Tr>

Which nutrient is an example of a macronutrient ​ science forum