What's vitamin e for?

I noticed vitamin e was listed in the first aid kit suggestions. What's that for?

Just curious...

It is handy to have for things like floppy buny whitch baby rabbits can get If they are lacking in vit e. Its also good forpregnant does and will help build strong babys. Good for a rabbit that has still born litters. You gan give vit e with tomato puree or bananas. val