Judith, you still appear confused.
If you are intolerant your only worry is the milk sugar lactose. Proteins
will not affect you in any way.
If proteins do affect you, then you are allergic, not intolerant.
More information about the various dairy products and their effects are
available on my web site:
http://ourworld.compuserve.com/homepages/stevecarper/experts.htm
Steve Carper