What causes dairy intolerance?
It is very common for humans to show intolerance to dairy with reactions ranging from a slight build-up of mucus after particularly dairy-heavy meals through to rashes and Irritable Bowel Syndrome (IBS). Dr Briffa admits that he loves the taste of dairy but has an eczema reaction to it. For a number of people the most common intolerance is to lactose and, in my ignorance, I’d thought that this was the extent of dairy intolerances. However, in researching this post I’ve also learned about allergies to casein which is another common reaction to dairy. While lactose intolerance tends to produce gas, bloating and excessive mucus, casein allergies often produce symptoms like blood in stools and severe abdominal pain. Casein allergies Casein is the main protein in milk with four casein proteins making up 80% of the total proteins in cow’s milk. The most common of the casein proteins is beta-casein of which there are two types, A1 and A2. Different cow’s produce milk containing a different be
