Not having a brand, or an FDA approval are warning signs.
1,2,3 ,5
age and body growth will effect what the body needs.
The more active you are the more healthy proteins you will need to eat.
If you are having a baby the developing fetus will require some things meaning higher intake is key. Finally, If you have a iron deficiancy more iron is needed to keep you as healthy as possible.
DNA helps scientists to better classify organisms is because each organ has a specific kind of DNA. For an example, brains and hearts have many small types of RNA. So if a scientists see some RNA they know that its a heart or a brain.
