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Most people are aware of the dangers of an allergic reaction to foods such as peanuts or shellfish. In the UK, this is a serious condition for around 1.5% of the population. However, a study by the organization, Allergy UK, suggests that up to 45% of the population may be affected by a food intolerance or sensitivity.


Food intolerance is gradually gaining recognition as a genuine health issue, thanks to a number of clinical studies and new diagnostic screening tests, pioneered in the UK.

In the case of food intolerance, a reaction can occur from two hours to a few days after consuming a certain food. This delayed reaction can make it very difficult to pinpoint which food, or foods may be the cause.

The most common food intolerances are dairy, wheat (gluten), nuts, eggs, tomatoes, citrus fruits, potatoes, certain fish or meats, and soya.

If you suspect you may have a food intolerance, it may be worth keeping a food diary for about four weeks. You need to write down everything you eat and drink and include a comment on any symptoms you may experience during the course of each day. By doing this, you may be able to identify a pattern. The next stage would be to eliminate the possible food. If no change is noticed after a week or two, then that food may be reintroduced and another food eliminated.

This process can become very tiresome and many people give up without identifying the real cause. There is also a danger of restricting your diet of essential nutrients, so any food that is eliminated should be replaced by a nutritious alternative. For example, an alternative to milk could be rice, oat, coconut or almond milk.

A much easier and quicker way to identify a food intolerance is through a blood test for Immunoglobulin G (IgG). Your local nutritionist may be able to arrange that for you. It is a simple test that only requires a finger prick blood sample which you can do yourself at home, then send to a laboratory for analysis. The 113 foodSCAN from YORKTEST checks 113 foods for £249. This includes a comprehensive report showing the foods to avoid or restrict. The test can save a lot of time and hassle and, for some people, it may be possible to re-introduce the foods at a later date, without the return of symptoms.

The 113 Food Scan and other food intolerance tests can be purchased from Pulse Health Screening.


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