Nickel allergy

Nickel is a heavy metal that can be found all over the world in the soil or in the water. Approximately 10 % of all adults have a sensitivity to nickel and react with allergic contact dermatitis or digestive symptoms after exposure. Women are affected up to 14 times more often than men.

Earring Nickel

When does restricting your diet make sense?

If you suffer from food intolerances, certain constituents of the food in question may be responsible for a broad variety of symtoms. The obvious conclusion would be to cut all foods that contain these constituents from the diet. However, such an avoidance strategy also carries risks.

Eingeschra╠łnkte Erna╠łhrung

Are sulfites dangerous?

Sulfites are used as preservatives in food, because they inhibit discoloring and spoilage very effectively. They are generally regarded as harmless, however, in isolated cases they may cause severe adverse reactions, and several fatal incidents have been reported so far. As there is a lot of confusion about potential health effects, we put together the latest information about sulfites.


Sugars – a small compendium

If you suffer from certain kinds of carbohydrate malabsorption you are often confronted with names of chemical compounds – it is often very easy to become confused. Therefore, we put together a small compendium that can be used, whenever needed.

Simple sugars

Glucose SchattenGlucose
Glucose, a simple sugar; is the most important energy source in humans. It is readily absorbed in the small intestine. It is also known as grape sugar, corn sugar or dextrose.
Fructose SchattenFructose
Fructose is a simple sugar that is slowly absorbed in the small intestine. The absorption rate is highest when equal amounts of glucose and fructose are present. When the amount of excess fructose is too high, fructose can reach the colon where it is fermented by bacteria.
Galactose SchattenGalactose
Galactose is a simple sugar that occurs in foods like dairy products. In the small intestine, galactose is transported by the same carriers as glucose, therefore, the absorption is very fast.

What is the glycemic index of beer?

The glycemic index of beer is subject to a heated debate: The values you can find on various websites vary considerably. Before you draw rapid conclusions you have to know that there is more to that subject than you'd initially think.


Beers contain a varying amount of rapidly digestible carbohydrates, mainly maltose. A big proportion of that maltose is converted to alcohol through fermentation. Most beers are low in carbohydrates, a glass only contains about 10 g of maltose and yes, maltose causes a rise of the blood sugar level. Read More...

How can vegetarians use the app Natural food guide to improve their omega-3 status?

The health benefits of omega-3 fatty acids can mainly be contributed to eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Unfortunately, those two fats almost exclusively occur in fatty sea fish and to a smaller degree in meat. So how can vegetarians meet their needs for these essential fats?


In principle, our body is able to produce these important fatty acids on its own from the omega-3 fatty acid α-linolenic acid (ALA), which serves as a precursor. Read More...

What is the average intake of omega-3 in different regions of the world?

A number of studies point out that the intake of the long-chained omega-3 fatty acids EPA and DHA in big parts of the population is too low. These fatty acids are very interesting because they play a decisive role in the prevention of cardiovascular disease. The World Health Organisation (WHO) recommends the combined intake of 500 mg/day of both fatty acids. However, it is not necessary to eat fish on a daily basis, it is also possible to meet the needs with one or two servings of fish per week.


To put this recommendation into perspective it is worth to take a look at the average intake of different regions of the world just to get an impression of the current situation. Read More...

Why is too much salt bad for our health?

The excessive ingestion of salt has been known to be a risk factor in the development of high blood pressure for decades. There is compelling evidence from a multitude of studies indicating a relation of high sodium intake, high blood pressure and the occurrence of cardiovascular disease. On the other hand low salt diets exhibit a blood pressure lowering effect. But what is the reason for this? Which factors cause the rise in blood pressure?


Scientists of the University of Otago in New Zealand decided to bring light into this issue. They argued that if a salt restricted diet lowers the high blood pressure of affected individuals, an increased salt intake should cause a rise of the blood pressure. Accompanying a low sodium diet 35 participants either received tomato juice rich or low in sodium for several weeks. Read More...

Do you know how much fructose you are eating?

From a historical point of view, fruits and honey were the only fructose-rich foods in our diet. In the 17th century the average sugar intake of each person was as low as 5 g per day. Big changes of dietary habits only occurred after the industrial scale production of sugar from sugar cane, sugar beets and the introduction of high-fructose corn syrup. Suddenly sugar was available in large quantities and at low costs.


"Food Intolerances" for Android sees many improvements with the latest update

Finally version 2.2 of our app „Food Intolerances“ is available for Android systems. As always we were able to implement many suggestions made by our users. The update also reduces the gap to the iOS version which still has lead as it has been around two years longer.

Our latest update introduces many new features and updated information. In the following you can find a summary of the changes:


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