dietologically
adverb
In a manner pertaining to, derived from, or justified by dietology (the study of nutrition and nutritional regimes); in the ways substantiated or approved by the scientific knowledge of healthy eating and drinking.
Examples:
Optimised pan pre-coating (the above-described scorch-based priming) will always reduce oil consumption considerably to dietologically acceptable health-keeping amounts. (Source: J∙ Okram - Bartonian Potato Pancakes ● Cooking Recipe.)