nutritional
adj.relating to the food you eat and how it affects your health. You use this to describe the quality or value of what is inside a meal.
adj.relating to the process of providing or obtaining the food necessary for health and growth. Often modifies nouns like 'value', 'content', or 'requirements'.
“The nutritional value of this snack is very low.”
“Schools are working to improve the nutritional quality of the lunches served to students every day.”
“Public health experts argue that mandatory nutritional labeling on processed foods is essential for helping consumers make informed decisions about their long-term dietary habits.”
Typically placed before the noun it modifies; often used in formal or scientific contexts regarding diet.
Learners often use the noun 'nutrition' as a modifier when the adjective 'nutritional' is the standard colocation for 'value' or 'content'.
“The nutritional quality of pollen and the diversity of plants producing it may also be important.”
“Scientists are also developing 3D-printed foods that can be customized to meet nutritional needs and improve variety on long missions.”
From nutrition + -al.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.