Recently I went on a food intolerance course to better my understanding of what food intolerance is and what effects it can have on the body with weight loss and what benefits my clients would get from doing a food intolerance test, I have to admit I wasn’t expecting to find what I now call a Missing Link in Personal Training.

As a professional trainer I get asked all the time by clients and friends “what should I be eating to lose weight?”, usually I would know exactly what to say, but what I found out about food intolerance really through a bit of a spanner in the works!.

Before I continue, I realise that some of you reading this might asking yourself, “what does this have to do with weight loss or fitness?”

Answer.     Up to 45% of the population have a food intolerance, and it can affect any organ in the body, although there is a wide range of chronic symptoms to having an intolerance, it’s the gut symptoms, bloating, low mood and most of all weight gain which is most relevant to some of you. And this sheds light on why some people are training 5 times a week, eating healthy foods but are unwittingly making their fat loss goal an almost impossible nightmare by eating foods they are actually intolerant to which is halting their weight loss.  (Light bulb!)

“So what is the difference between having a food allergy and a food intolerance?”

Food Intolerance

Food Allergy

Reactions up to 72 hours after eating (often chronic)

Immediate reactions (2 hours or less)

Multiple foods can be involved

Rarely more than 1 to 2 foods

Any organ system can be affected

Primarily skin, airways and digestive system

Very common(up to 45% population)

Trace amounts of foods can cause reactions

Difficult to self-diagnose, Caused by raised IgG antibody

Caused by raised IgE antibody

Symptoms can clear after avoidance (3-6 months)


Before, I had always thought that the foods people could be intolerant to were only a few. You know, the main one’s being things like wheat, eggs and milk, but I had no idea you could be intolerant to any foods, yes and I mean any. A person could be intolerant anything from beetroot to broccoli or even carrots… I was surprised to say the least.

*I personally have had suffered from IBS like symptoms, bloating, and had occasional severe stomach pains in the past 3 years on and off, to which the GP and the local hospital could not find a cause. I had tried cutting out bread then I tried cutting out dairy but with only little result, but I knew it was something I was eating, but could not pin down what?

 This was a great chance to find out what foods I was intolerant to, the  food intolerance test I took  was a simple finger prick and a little absorbent wand to collect a few drops of blood (which tested my blood against 150 food and drink ingredients), and sent it off to get tested. 

I received my results just over a week later, Turns out I am intolerant to Milk, Eggs, Yeast and Brazil nuts. Within 3 weeks of taking these foods out of what I eat, my stomach is no longer bloated, my IBS like symptoms have almost completely gone and is exactly what I was hoping for.

However, what I did not expect added side effects of the dry cracked skin on my hands to clear up or the tired spells I get in the middle of the day to stop, I hadn’t even considered that these would improve as well.

And as for weight loss, I am keeping fit training people all day, but remarkably *I have lost 2kg (4.4lbs) in these past 3 weeks.

Since having tried and tested this and seen the benefits personally, I have already been recommending my clients and friends about doing the test and I think I will be raving on about it for some time.


-A recent study has shown that those who eliminated trigger foods based on food-specific IgG test results had reductions in weight, body mass index, waist and hip circumference and improvements in all indicators of quality of life that were measured. The quality of life indicators included physical and emotional wellbeing, mental health, social life, pain levels and vitality.

*Results may vary from person to person, the above account is my personal experience. 

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