nutritarian 营养爱好者

Nutritarian refers to a person who chooses foods based on their micronutrient content. 

营养爱好者指的是根据微量营养元素选择食物的人。

Central to nutritarianism is the understanding that fruits and vegetables contain thousands of vitamins, minerals and phytochemicals -- substances they believe are not found in any other food source. 

营养爱好主义的核心是，认为水果与蔬菜富含数千种维生素、矿物质和植物素—营养爱好者认为植物素无法从其他食物来源中获取。