![](http://cdn.totaltashan.com/Content/messages/i-am-a-word-of-five-letters-puzzlesandriddles.jpg)
I am a word of five letters.
people eat me.
if you remove my 1 letter i will be a form of energy.
if you remove my first 2 letters i will be needed for living.
if you remove my first 3 letters i will be a preposition.
if you remove my first 4 letters i will be a drink for you.
answer if you are mastermind!