clean eating
noun [ U ] uk/ˌkliːn ˈiː.tɪŋ/ us/ˌkliːn ˈiː.tɪŋ/
洁食，净化饮食（只食用健康食品，特别是未经加工的新鲜食物）
the practice of eating only foods that are regarded as healthy, especially fresh food that has not been processed (= given any industrial or chemical treatment)