<<Disclaimer: Verify this information before applying it to your situation.>> Thanks to everyone who posted "stuff" on casein intolerance. My Mom's GI thought she was lactose intolerant, but she wasn't responding to treatment. Now he's going to include a casein test as part of her appointment when she goes in for her next biopsy! Here's hoping they figure it out! Wendy Woytasik-Karr University of Windsor