If you have misspelled "innutrion", there are a few suggestions for the correct term you may be referring to. The most likely word you're looking for is "malnutrition", which refers to the lack of proper nutrients in one's diet. Alternatively, you could be referring to "undernutrition" or "poor nutrition", both of which denote inadequate nourishment. Make sure to double-check your spelling next time for accuracy.
