Yeast Sensitivity

Yeast is a living fungus that is used as an active ingredient in many foods and drinks, especially baked goods (baker’s yeast) and alcoholic drinks (brewer’s yeast). There are also many other forms of yeast, these include Candida (thrush) and others that live naturally in the body.

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The Premium Food Sensitivity Test measures your IgG reactivity to 200 foods and drinks. Get answers on which foods could be triggering your IBS symptoms, headaches, bloating, tiredness, and more. Simply collect your finger-prick blood sample at home. Mail it to our laboratory for testing. Then receive your results online within 7 days!

200 ingredients tested
Tests are HSA and FSA accepted
Analyzed in our accredited laboratory
Clear, color-coded results show your IgG reactivity score for each ingredient

Customers must be aged 18 years or over to take this test. For under 18s, take our Junior Food Sensitivity Test. This test is not available to customers who are pregnant or breastfeeding.

Can you outgrow a yeast intolerance?

Yes, it is possible to lose your sensitivity to yeast, though you don’t necessarily ‘outgrow’ it. If your test shows you are intolerance to yeast, after a 12-week elimination diet you may be able to gradually introduce yeast back into your diet. As everybody is different, you should monitor any symptoms after consuming any foods or drinks which contain yeast. You may find you can only tolerate small amounts, or your body no longer reacts to this trigger food.

Throughout the elimination diet, it’s important you are balancing your diet with nutritious alternatives, especially those containing Vitamin B12 which is commonly found in foods made with yeast.

How long does it take for a yeast intolerance to show?

A food sensitivity occurs when your body mistakes a harmless food protein as a threat and produces IgG antibodies – which may result in inflammation and discomfort. It is thought that symptoms of food intolerance are likely to occur in a delayed fashion, typically between 2 to 72 hours.

What is the difference between an elimination diet for a yeast intolerance and the Candida diet?

The ‘Candida Diet’ focuses on trying to reduce natural yeasts from the body. Candida albicans is a normal part of your gut flora and can also be found in the mouth. However, large consumption of sugar, alcohol and processed foods or an impaired immune system can destabilize your flora and Candida growth can spread.

This Candida overgrowth can show external symptoms, such as a reoccurring yeast infection, a white coating on the tongue and, in time, could lead to “leaky gut syndrome”. A “Candida cleanse”, which focuses on eliminating a wide range of ingredients from your diet can often be challenging and restrictive, including sugars, non-glutinous grains, dairy and fermented, processed foods.

The eating plan for a yeast intolerance, although similar, is less rigid and does not avoid as many foods. Addressing yeast sensitivity mainly focussing on removing yeast-containing foods and drinks from the diet that can be triggering inflammation in the body.

Which foods contain yeast? Foods to avoid with a yeast intolerance or allergy

Yeast intolerance is relatively common, yet finding which foods contain yeast can often be tricky as they can be found in many food and drinks that you would not expect.

As yeast covers a range of different type of foods and drinks, it may not necessarily be the yeast you are reacting to but other triggers instead, such as wheat, gluten or certain fruits. After finding out if you have a yeast intolerance, it’s wise to steer clear of any products which are fermented, processed and aged.

Here are some examples of ingredients which should be avoided on an elimination diet if you have a yeast intolerance:

Processed and cured meats
Aged cheese
Dried fruits
Gravy and stock cubes
Processed fruit juices
Condiments
Vinegar containing ingredients
Alcohol (brewer’s yeast)
Baked goods
Yeast extract

It is also a good idea to reduce your intake of sugary foods which can fuel the growth of natural yeasts in the body such as Candida (thrush).

Does yeast have other names?

Sometimes it isn’t as easy as picking something up from the supermarket shelf and looking for the term ‘yeast’. As an ingredient, yeast is often given other names which can make it difficult to identify on product packaging. Because of this, it’s a good idea to familiarize yourself with the other ingredients listed below. These names should be avoided if you have a yeast intolerance:

Hydrolyzed protein
Hydrolyzed vegetable protein
Leavening

What are yeast-free foods?

There are many alternative food and drink ingredients you can choose from which are yeast-free, so you can optimize and balance your diet effectively during your elimination diet.

You can supplement your meals with a variety of alternatives, such as the example grains below:

Quinoa
Millet
Brown rice
Buckwheat

If you have found out that you are intolerant to yeast through our test, changing your diet need not be daunting. Nutritional consultations are also available. These consultations are a worthwhile opportunity to discuss a range of alternatives not listed above which could support your elimination diet. They will also give you personalized and specific advice on what foods and drinks you need to avoid which contain yeast that are currently in your diet. Our tests do not detect allergic reactions to yeast, if you feel that you may have a yeast allergy, please consult your doctor or medical professional.

Can I drink alcohol on a yeast-free diet?

Are you looking for yeast-free alcohol? All alcoholic drinks rely on yeasts to produce the alcohol, hence the term ‘brewer’s yeast’. However, the process of distilling and filtering in some types of drinks will remove most of the yeast. Good news! You can still enjoy a small glass of champagne, and some spirits, though be wary of your mixers, especially if they have a high sugar content.