convalescent diet; recovery food
Refers to meals designed to help a person regain strength after illness, surgery, or fasting. Often used in medical, nutritional, or caregiving contexts.
After leaving the hospital, I received guidance on a convalescent diet from the doctor.
After fasting, it is safe to start with recovery foods such as rice porridge.
流動食 refers to liquid diets often used when a patient cannot eat solid food, whereas 回復食 can include solid foods aimed at nutritional rehabilitation.
Compound of 回復 (recovery) and 食 (food, meal). The term is a straightforward modern coinage reflecting its literal meaning.