As soon as you consume foods containing lactose, the familiar symptoms appear: Abdominal pain, bloating, diarrhea. And as if that wasn't enough, the numbers on your scales also go up. But could this weight gain have anything to do with your lactose intolerance? If you have problems with your digestive tract, this is an obvious assumption. But, to start with, weight changes are generally not a direct symptom of lactose intolerance. The exact causes of possible weight gain have not yet been fully clarified scientifically. Some studies suggest that food intolerances could influence certain metabolic processes that change body weight.
Weight gain - not a direct symptom of lactose intolerance
The incorrect processing of lactose in the large intestine, which causes typical symptoms such as bloating, abdominal pain and diarrhea, does not directly lead to obesity. However, lactose intolerance can stimulate other processes that reinforce each other and can ultimately lead to weight gain. Dr. Astrid Menne emphasizes that, in the end, the energy balance of those affected is always decisive.
Possible reasons for weight gain with lactose intolerance
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Negative energy balance due to lack of exercise
A HIIT workout with abdominal cramps, diarrhea while jogging or nausea in the gym - while it is often difficult under normal circumstances to overcome the inner bastard and exercise regularly, it is even more difficult with the symptoms of lactose intolerance. -
A lack of exercise can lead to reduced calorie consumption, which encourages weight gain.
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Unbalanced diet due to reduced choice of food
In order to prevent possible symptoms, are you avoiding a large number of foods and therefore eating a relatively one-sided diet? This may sound sensible at first glance, but it usually also affects your metabolism, as you are not consuming many of the nutrients you need in the first place. If your metabolism is not working properly, this often leads to a higher body weight. -
Sugar in lactose-free products
Many people confuse “lactose-free” with “sugar-free”, which is not true. Lactose-free products often contain just as much sugar as conventional products. During the production of milk substitutes, glucose can be produced through hydrolysis, which can affect blood sugar levels. So if you opt for lactose-free foods, you should pay attention to the sugar content to avoid unwanted weight gain.