It will do much good to people, such as comsuming superfluous fat and delaying human body aging. 这句话good是不可数名词，能接例子吗？

这个句子不正在对你说你的问题的答案？

I have too much luggage, such as a suitcase, two big bags and some boxes.

你以为不可数名词就不能举例说明，是你一个人的误解。