Fats because too much can be bad. or sugar
Depending what is there problem what would be easier that some time.
Option B. most Americans eat enough protein
it is not recommended unless the protein claim is to be used by infant or children under four years of age.
Folate is the correct answer. Folates help the tissues and cells grow and function correctly and also have been shown to make a 4.3% to 12% decrease in getting the risk of cancer.