IPA: /nʊˈtrɪʃənəli/
KK: /nʊˈtrɪʃənəli/
In a way that relates to the nutrients in food and their effects on health.
Eating a balanced diet is important nutritionally for maintaining good health.
Nutritionally → It is formed from "nutrient" (from Latin "nutrire", meaning to nourish) and the suffix "-ally" (meaning in a manner relating to). The word "nutritionally" refers to something that relates to the manner of nourishment or nutrients.
Think of 'nourishing' ('nutrire') and how 'nutritionally' means in a way that relates to nourishment.