Diet For People With Fructose Intolerance

In order to know what is the proper diet for people with fructose intolerance, it is essential to differentiate between a person with hereditary intolerance and a person with fructose malabsorption.
Diet for people with fructose intolerance

There are many people with fructose intolerance and who are not sure what diet to follow. To solve this problem, it is first important to know which component of the food causes intolerance, which foods contain it and what exactly the pathology is. Keep reading.

What is fructose?

Food and fructose

Fructose is a simple sugar found naturally in fruits. It is usually ingested in the form of sucrose. This substance is nothing more than the common sugar that we all know. When we ingest sucrose, it breaks down into its components in the intestines, releasing glucose and fructose.

By the way, it is also important to know that another source of fructose is sorbitol. This substance is a sweetener that, when metabolized by our body, can generate fructose.

On the other hand, fructose, under normal conditions, must be absorbed by the intestinal cells and metabolized in the body so that we can take advantage of its properties. When there is a problem with its absorption or with its metabolism, then that is when fructose intolerance problems arise.

In order to know what the proper diet is, it is essential to differentiate between a person who has hereditary fructose intolerance and another who suffers from its malabsorption.

Hereditary fructose intolerance

The cause of this disease is a genetic error that affects the process of fructose metabolism. This problem is present in one in every 20,000 people. This error causes the deficiency of an enzyme that intervenes in the body’s biochemical reactions: fructose-1-phosphate-aldolase (aldolase B).

In the absence of this enzyme, which is responsible for the metabolism of fructose, this sugar accumulates in the form of an intermediate product of fructose degradation that is toxic to the body.

Fructose intolerance due to malabsorption

Fructose intolerance caused by malabsorption

Whether due to a failure in fructose metabolism or problems with intestinal assimilation, we will be dealing with intolerance or malabsorption.

This pathology usually affects more than 30% of the population. Patients have cells in their intestines that are unable to partially or fully absorb fructose. In this way, gastrointestinal problems occur.

Therefore, according to the pathology and taking into account the seriousness of its consequences, the answer will be different and, therefore, so will the diet.

Diet for people with hereditary fructose intolerance

People with this type of fructose intolerance must adhere to a strict fructose-free diet. This diet consists of a maximum consumption of one to two grams of this sugar.

For this, it is important that the patient reads the labels of all foods. This way, you will be assured that they do not contain fructose. Unfortunately, there are very few processed foods that can be consumed by people who suffer from this problem.

So let’s give a list of foods allowed for people with this condition. But be aware that this list is not complete, however, it will give you a general idea.

Among the foods allowed are:

  • Sweeteners: glucose syrup, saccharin, cyclamate.
  • Fruits sporadically: avocado, ripe olives.
  • Vegetables: Swiss chard, broccoli, spinach, potatoes, mushrooms, endive. And of limited consumption: celery, watercress, cucumber, lettuce, cauliflower.
  • Meat and fish: all fresh.
  • Cereals and derivatives: wheat flour, oats, corn, rye, white bread, rice.

Among the prohibited foods

  • Processed or canned meat or fish containing fructose, sucrose or sorbitol.
  • Also not allowed are soy drinks, condensed milk, fruit yogurt or tomatoes among other foods.

Diet for people with fructose malabsorption

Digestive problems due to fructose intolerance

To prevent the development of digestive symptoms, patients with intolerance should reduce their consumption of fructose partially or completely.

In these cases, the following diet will be fructose restricted. However, this restriction will vary according to each person depending on whether the malabsorption is partial or total and depending on the degree of intolerance.

If the intolerance is total, then the diet will be very similar to that of people with hereditary fructose intolerance, that is, you should avoid foods that contain fructose or sucrose.

In fact, people with partial intolerance, which is the most common pathology, can consume foods with low sugar content. They can even consume a moderate amount of foods with high fructose content.

Some foods with high amounts of fructose are:

  • Dried apricot, persimmons and cherries.
  • Prunes and custard apples.
  • Apples, pears and grapes.

Foods with low amounts of fructose are:

  • Papaya, avocado, coconut and chufas.
  • Hazelnuts and Chestnuts.
  • Artichokes, chard, eggplants and mushrooms.
  • Milk, cheese and eggs.
  • Fresh meat and fish.

So, was this article helpful to you? So stay with us as we have more tips for your health and well-being.

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