Need an answer for my son

[Paul M. Sammut]

Hi Friend of the Net,

	Excuse my posting this query to this newsgroup, to which I also belong.
However I am sure out there somebody will help me out with this problem.

Question which my son put to me:  

Are vitamins, which are proteins, digested in the alimentary with the
rest of the food? If yes, then all the vitamins we take in are destroyed
before they can be utilised by the body. What actually happens to the
vitamins in food during digestion?

Beleive me I could not come up with a convincing answer. Please be kind
and helpful. Regards to all, Paul.

Paul Sammut
MALTA