Nutritious vs nutritional

You’d think with all the dietary advice being thrown around these days, and the Pandora’s box of allergies we seem to have opened, we would be thoroughly familiar with words about eating.
 
So how about this sentence: 'She gave lots of nutritious advice about the benefits of eating fruit'?
 
No, it is the fruit that is nutritious, which means full of nourishment. The correct adjective to use here is nutritional, which simply refers to the process of eating.

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