From menu + fatigue.
menu fatigue (uncountable)
- The exhaustion of one's appetite due to dietary monotony.
- Coordinate terms: compassion fatigue, donor fatigue, redemption fatigue
2016 October 5, Evidence Report: Risk of Performance Decrement and Crew Illness Due to an Inadequate Food System[1], National Aeronautics and Space Administration, page 20:A large variety of food is needed to provide the crew choices and to avoid menu fatigue. The monotony effects from repeated food exposures are factors of duration of exposure, the initial pleasantness of the foods consumed repeatedly over time, and frequency and recency of eating the food ... food is consistently identified in [post-spaceflight] debriefs as one of, if not the most, important factor to crew morale. The variety and quality are important to motivate consistent caloric intake and prevent nutritional deficiency and weight loss.
2021 May 5, Nathan Cranford, Jennifer L. Turner, “How Does Spaceflight Change Food Appeal?”, in Roundup[2], Johnson Space Center, NASA:In space, menu fatigue can have serious consequences. Lost appetites could result in astronauts not eating enough food, which may lead to body mass loss, nutritional deficiencies, and other health issues.