Food intolerances

The term ‘food intolerance’ and ‘food allergy’ are often confused and are two very different things. Genuine food allergy is relatively rare, with only about 2% of the adult population being affected, whilst around 45% of us suffer from food intolerance according to allergy UK. A food allergy is a swift response by the body’s immune system to a specific food. In this type of reaction, the body’s immune system mistakes a food for an ‘invader’ which results in a rapid allergic reaction often within minutes, but generally within a maximum of two hours.

Food intolerance is quite different to food allergy and whilst the symptoms can severely impact the person’s quality of life they do not require immediate medical treatment. When foods and drinks are digested, the proteins within them are broken down into smaller fragments for easy absorption into the body. When a persons digestive system is compromised, larger fragments can pass through without breaking down, and sometimes the body reacts by attacking them using antibodies called Immunoglobulin G’s (IgG).

How to identify food intolerance

Food intolerance is a condition with a wide range of symptoms including IBS, bloating, migraines, low mood, weight gain, fatigue and skin problems. It’s really difficult to identify which foods trigger reactions, because symptoms can take up to 72 hours to appear. Also, as most people are intolerant to more than one food, when they try eliminating the suspected food culprit, the symptoms don’t go away completely which can be disheartening.

The gold standard for identifying food intolerances is a medically supervised elimination diet, however the process takes quite some time and is difficult to stick to. As part of my Reinvent programme I guide you through this process. If you want to know right away which foods are triggering reactions in your body, so that you can start the process of healing, I recommend blood testing for all four IgG subtypes, and I have partnered with Lorisian, a specialist healthcare laboratory, which offers 99.8% reproducibility. There are many food intolerance testing options available to the public now including hair analysis, kinesiology and pulse testing, non of which are evidence based or proven to be accurate so please be aware of any bogus claims. 

How does testing work?

If you want to buy a Lorisian blood test, the process is really simple. Firstly, contact me to arrange the test and I will order your kit for you. Lorisian food intolerance tests use a very simple finger prick blood collection wand system. Because the finger prick system is so easy to use, the sample can be taken in your home, or I can do it for you in my clinic. The sample is then posted back to the Lorisian Laboratory (in a pre-paid envelope), tested and analysed for IgG antibody reactions to 100 food and drink ingredients. I will then work with you to ensure that you replace any trigger foods appropriately to avoid nutritional insufficiency during the elimination phase, whilst putting in place measures to improve the health of your digestive system, so that the trigger foods can eventually be reintroduced without causing symptoms. It is important to understand that a food elimination diet is only one part of a gut healing programme and further work on supporting gut integrity should be carried out in order for foods to be safely reintroduced in the future.

The Lorisian 100 can be purchased by current clients or Reinvent members for £199. If you are not a client yet, you can purchase the Lorisian 100 plus a 30 minute follow-up consultation via phone or Skype for £249. Just contact me here.


“My 2 and a half year old son was having numerous problems including eczema, bad nappies (as in not one normal one since birth), asthma and projectile vomiting (to name a few). My GP told me they used to call them “sicky babies” and he would grow out of it, I would just have to put up with the mess for a while… A great help as you can imagine! Rosie immediately considered the symptoms and it turns out he’s simply severely intolerant to dairy! So from pints of milk a day to none, within a week his nappies were normal and he was feeling so much better. He also no longer sounds like Darth Vader in his sleep!! All in all, Rosie has been amazing and it’s great to know I can turn to her with any questions I have with ongoing issues. I can thoroughly recommend her!”

— Fiona- Bristol


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