One possible and functional
classification for is the one
separates them into ,
structural and regulatory.

nutrients are those as
energy source the metabolism;
mainly are the carbohydrates (
fats and proteins also be converted
acetyl-CoA and “cycle” Krebs
cycle). Structural are those
used the support and of
cells and ; they are the
acids that form proteins, like
collagen, membrane proteins, the
proteins, the contractile
of the muscle , etc.
Regulatory nutrients those that
constitute and coenzymes of
homeostasis, metabolites of
osmotic and electrolytic of
cells and ; some amino acids,
and mineral salts part of
this .