Question

eat too much

是eat too many 还是 eat too much?
是不是后面省了food的原因而选择eat too much?

Answer 1

应该是 eat too much .
too much 后面可以跟不可数名词,也可以不跟任何名词,表示“太多”.
too many 后面必须跟可数名词复数.