Food Sensitivity


As a person with multiple food intolerances, it has become a bit of a passion of mine to research and understand them. This is a summary of what I have learned. 

Allergies and Sensitivity to foods is actually quite Common.  With Sensitivity being more common.  Both can trigger a wide range of unpleasant symptoms. 

Allergies can be tested for.  Once you know your food allergen or allergens, you need to eliminate them from your diet.

There are no accurate tests for diagnosing food sensitivity  It needs to be diagnosed by doing a food elimination diet. There are many of these.  What is recommended will depend on your medical history and symptoms.  Sometimes it is necessary to try several different diets to find the right fit.  

An easier start (and sometimes all that is necessary) is cutting back on these 7 foods known to aggravate chronic pain conditions like fibromyalgia.

While food elimination diets can be helpful for managing symptoms and diagnosing food sensitivities, staying on a very restrictive diet long term can be detrimental, as they can cause heightened stress (food prep, social) and you may not get all the nutrients you need.  Usually a moderate approach to managing food sensitivities is better, and all that is needed*.  Particularly when combined with a functional wellness treatment approach.

(*) a small subset of people with food intolerance do need to be on very restricted diets for hereditary reasons, or for an extended period of time if very severe.  These should be monitored by a health professional and dietician, to ensure all nutrient requirements are being met. 


Food Elimination Diets and Special Diets include the following


Gluten Free Diet

A strict gluten free diet, will be necessary if you have Celiac Disease.  Some people without Celiac Disease benefit from reducing gluten in thier diet.

Gluten Free / Casein Free Diet

This is a popular special diets as it is one of the easiest to follows, and it eliminates the most common foods people can be allergic or sensitive to.  Most Grains and Dairy. 

FODMAP diet:

helps with the management of Irritable Bowel syndrome and in the treatment of gut infections like SIBO.  This diet reduces the intake of specific carb sugars that are difficult to break down and absorb.  

Paleo Autoimmune Diet

Focus is on reducing common allergens and inflammatory foods in the diet while providing highly nutrient dense food that will aid to heal and seal the gut lining, in order to reduce/eliminate symptoms.

Four Day Rotation Diet

This diet is often recommended to people with Multiple Food Sensitivity, where management with any other diet is too restrictive.  Rotation is based on Allergy Food Families. The idea is give food allergens and inflammatory foods time to clear out of the system (takes 3 – 4 day) so they do not build up to a level that triggers unpleasant responses.

Low Oxalate Diet

Sensitivity to oxalates can occur in people with leaky gut and poor ability to break them down and excrete them. it is most commonly recommended to people with Kidney stones.  But can be helpful to others sensitive to oxalates who experience symptoms like these.  pain ‐ urinary tract, joints, genital, intestinaal, eyes, muscles, headaches; burning feet, fatigue or weakness and more.


Feingold Diet

This low salicylate diet. It is most commonly used in the treatment of ADHD. It is also a diet that many with complex health issues like ASD, CFS, FMS find beneficial.  It is thought to be particularly beneficial to people who have poor liver detoxification  – sulfation pathways.

Low Histamine Diet

This diet is usually recommended to people with Mast Cell Activation Disease (MCAS and its rare cousin Mastocytosis), as well as migraine. It is used for people who are low in the enzyme DOA, (and enzyme needed to break down histamine) or when people have too high levels of histamine for other reasons. High levels of histamine can impact the gut, mind, other. 

Food high in histamine (or block histamine breakdown)  include aged and tasty cheese, wine, chocolate, citrus, strawberries.

Failsafe Diet 

The failsafe diet is similar to the feingold and low histamine diet.  It reduces to intakes of salicylates, amines and glutamates.  It is used for the management of pseudo allergy – pharmaceutical food intolerance related multi system illness.  The failsafe diet refers to the RPAH Allergy Unit Elimination Diet.   The strict approach. Many people benefit from the moderate or simpler approach of the RPAH Elimination diet: salicylates, amines, glutamates.



This is variation of the Specific Carb Diet, with emphasis on restoring gut health. It is said to help with Neurological symptoms, mental health issues and symptoms associated iwth IBS, allergies and eczema.  

Ketogenic Diet

Usually recommended for the management of Seizures.  Some people with other neurological disorders  or an inability to convert carbohydrates into energy will find this diet beneficial.  This diet must be done under medical supervision, it can be dangerous to some people. e.g people who have trouble converting fats into energy, or have very severe adrenal fatigeu / HPA axis dysregulation.  



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