I am a word of 5 letters!

[Zee Leo]

I am a word of 5 letters!
People eat me!
If you remove my 1st letter I will b a form of Energy!
If you remove my 1st 2 letters I will be needed for Living.
If you remove my 1st 3 letters I will be Near you.
If u remove my 1st 4 letters I will be a Drink for you.
.
.
.
Who am I?
Ans: Wheat

 

[zambazai]

{(haha)}

 

[Nelly]

Oooo Nice

 

[zehar]