Lactose intolerance (lactase deficiency) is one of the most common food intolerances. Around 15% of the European population suffer from this food intolerance. In the following article you will be provided with a large selection of information about this milk sugar intolerance.

The ethnic distribution of lactose intolerance: In what part of the world are there people with lactose intolerance and when did this "illness" develop?

What are the typical symptoms of lactose intolerance? How does this intolerance work? What is the enzyme lactase and what does it do? What is the difference between milk allergy and lactose intolerance?

What possibilities are there for the treatment of lactose intolerance? How do lactase supplements work? We have summarised the most important information in this article.

Lactose can generally be found in all dairy products. However, if a person has lactose intolerance it does not automatically mean that they are intolerant to all dairy products! So, what foods contain lactose? This article should provide more clarity.

Basic biochemical information about the lactose (milk sugar) molecule and lactose intolerance

How is lactose intolerance diagnosed? What methods are there for diagnosis and what happens during the tests? You will find the answers here!

Unfortunately there is a lot of incorrect information spread around the internet. This includes some myths about lactose intolerance. Some of those questions that have been asked most frequently will be answered here and also some rumours clarified.

Butter, Cheese, Milk, Whey, Parmesan, ... In this table you can find the amounts of lactose in different dairy products, as well as a comparison of different types of milk.