Lactose intolerance is a health phenomenon. Lactose intolerance is widespread worldwide - even if its frequency varies from region to region. It is particularly common in sub-Saharan Africa and Asia: There, 80 to over 95 percent of people are lactose intolerant. In Germany, it is estimated that around 15 percent of the population is lactose intolerant.


In the case of lactose intolerance, the lactose from food is not digested or only incompletely digested because the digestive enzyme lactase is not produced or only produced to a small extent, which leads to an intolerance of milk and dairy products. If no symptoms occur, this is referred to as lactose malabsorption.


What is lactose?

Lactose (milk sugar) is a sugar that occurs naturally in milk. It is composed of two sugar molecules, namely mucilage sugar (galactose) and glucose (dextrose). Lactose occurs naturally only in the milk of mammals, including human breast milk. All types of milk we consume today, whether cow's, goat's or sheep's milk, contain approximately the same amount of lactose. The same applies to products made from these types of milk, such as sheep's or goat's cheese.


Why do some people not tolerate lactose?

The enzyme lactase, which is found in the small intestine of every healthy person, splits lactose into its two components, which can then be absorbed into the blood via the intestinal mucosa. Ultimately, all signs of lactose intolerance are due to the absence or deficiency of the lactase enzyme. If the small intestine produces little or no lactase, lactose can only be digested to a limited extent or not at all.


Not everyone is able to break down and utilize lactose. Lactose intolerance is a deficiency of the enzyme lactase. As a result, lactose cannot be naturally broken down and digested in the small intestine.


Symptoms

The symptoms always occur in connection with the consumption of dairy products or foods containing lactose. Often, the first symptoms of lactose intolerance begin a few minutes after eating, but at the latest after two hours. Depending on the form of lactose intolerance, different symptoms occur. Abdominal pain, mild to severe flatulence and nausea to diarrhea are most common. Bloating, cramps and vomiting are also possible.


Symptoms such as flatulence, nausea and burping usually occur shortly after eating foods containing lactose. However, diarrhea-like symptoms can also occur hours later and even last for several days. In addition to the digestive tract symptoms, many people also suffer from general fatigue, headaches, tiredness and general malaise.


In addition to symptoms affecting the gastrointestinal tract, there are other more nonspecific complaints such as headaches, dizziness and sleep disturbances.


Diet for lactose intolerance

The principle of diet for lactose intolerance is to limit or avoid the consumption of milk and dairy products and foods containing them.


If you're not sure which products are lactose-free, simply scan the barcode with your TIOLI app and find out if other people with lactose intolerance have tolerated that product and, if the product contains ingredients that are incompatible for you.





Note: The information on this page has been carefully researched, but we do not guarantee its completeness or accuracy. If you have any health problems, please consult your doctor.
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