What's generally white, gooey, sticky, and better to spit than to swallow?

Question

X is a 7 letter word,
X is impossible 4 GOD,
new babies like X better than milk,
the poor have X and the rich look for X from the poor,
if u eat X u will die,
X is more important than your life.

I swear if I will give u X if u get the answer.

Answer 1

A Chewing Gum? Toothpaste could also work.

Answer 2

Answer:
A Chewing Gum.