Whereas lactose is a carbohydrate, whey and casein are the protein components of milk. Milk allergy and milk intolerance are reactions to the protein found in milk, whereas lactose intolerance is a digestive reaction to the sugar found in milk. It’s estimated that up to 75% of adults are lactose intolerant. To confuse things even more an allergy or intolerance to a food protein can cause secondary lactose intolerance … Some people have trouble digesting lactose, a sugar in milk. Lactose is the carbohydrate “milk … Milk allergy should not be confused with lactose intolerance. When you eat or drink the food protein, it can trigger an … The body uses a protease enzyme to break them down for digestion and absorption. A food allergy happens when your immune system overreacts to a specific food protein. Cow’s Milk Protein vs Lactose Intolerance There is often a lot of confusion between Lactose Intolerance and Cow’s Milk Protein Intolerance (CMPI); many people often think they are the same thing. In allergy the … But lactose might not be behind your problems, a little-known protein called A1 may be the culprit. Without enough of this enzyme present, then the body will overreact to the presence of the harmless protein… Lactose intolerance is a condition in which the affected individual does not possess adequate digestive enzymes called lactases to digest the sugar component of cow’s milk, called lactose. When the body can’t break lactose down, people with lactose intolerance … Milk allergy… Common signs and symptoms of milk protein intolerance or lactose intolerance include digestive problems, such as bloating, gas or diarrhea after consuming milk or dairy products. In these individuals, diarrhea, gas, and abdominal cramping is common immediately following consumption of a milk … Let’s talk about the main components of milk that people react to: lactose, casein, and whey. If a person with lactose intolerance drinks milk, they may suffer from bothersome symptoms, similar to a milk protein intolerance. Milk Sugar (Lactose) Intolerance.