Here is how your body uses the macronutrients (those needed in larger quantities):
And here is how your body uses the micronutrients (those needed in smaller quantities -but still necessary-):
Finally, even if sometimes they’re not technically labeled as nutrients or not included in the previous groups, here is how your body uses three other elements of your diet of vital importance:
Notes: For simplicity I grouped minerals all together in the micronutrients group, however sometimes a separation is made among microminerals (or “trace minerals”) and macrominerals.
Related: Density of nutrients