To obtain a health food or food and beverage capable of carrying out recovery of fatigue of body and brain, improvement of the metabolism thereof and activation thereof.

This health food, food and beverage or medicine is obtained by together using cytidine and choline. This food can not be utilized as only heath food, but also as additive to various foods and further as oral agent, injection and tube feeding agent in emergency. Various vitamins (e.g. vitamin B group, C, E, A, D, K, F or the like), an electrolyte, an inorganic substance, saccharide and others usually used for foods and medicines are as necessary added to the health food, food and beverage or medicine. Total amount of cytidine and choline used for administering per time is preferably 100 mg to 6 g.