Intolerances & allergies


Histamine Intolerance: Symptoms, Trigger Foods & What To Do About It
Aug 21, 2026
Red wine headache, flushed skin after cheese, hives after leftovers, if a pattern like this sounds familiar, histamine intolerance could be the missing piece. Here's what it is and what to do next.
Milk Allergy or Milk Intolerance? How to Tell the Difference
Aug 21, 2026
Struggle after a glass of milk but not sure if it's an allergy or an intolerance? The symptoms can look similar on the surface, but the causes, and the right test, are very different.
Bloating and Trapped Wind: Causes, Relief and When It's Something More
Aug 21, 2026
Trapped wind can show up in surprising places — ribs, back, even the shoulder. Here's what causes it, how to relieve it, and when it's worth investigating further.
Vitamin D Test: Do You Need One, and What Do the Results Mean?
Aug 21, 2026
Vitamin D deficiency is one of the most common,  and most overlooked,  nutrient issues in the UK, especially outside summer months. A simple test can confirm whether it's behind your symptoms.
Gluten Intolerance Test: How to Find Out If Gluten Is the Problem
Aug 21, 2026
Gluten gets blamed for a lot of digestive discomfort, but is it actually the cause for you? Here's how gluten intolerance differs from coeliac disease, and how testing can help you find out.
Allergy and Intolerance Testing in the UK: What to Look For Before You Buy
Aug 21, 2026
Not all at-home allergy and intolerance tests are created equal. Here's what UK customers should check before buying — from lab accreditation to how results are explained.
Intolerance to Tomatoes: Symptoms, Causes, and What a Test Can Tell You
Jul 31, 2026
Tomatoes turn up in so many everyday meals from pasta sauces, soups, sandwiches, to salads and dips - that it's easy to miss them as a possible trigger if you're experiencing bloating, getting headaches, or noticing skin flare-ups after eating. 
Real Reviews, Real Results: What Our Customers Are Saying About Check My Body Health
Jul 31, 2026
With thousands of five-star ratings on Trustpilot, we don't need to tell you how amazing our products and customer service are — our customers do it better. Every review left is genuine, unedited, and written by someone who sent off their test samples, opened their results, and decided to share their experience.
Christmas Bloating? The Hidden Food Intolerance Triggers Behind Your Favourite Festive Foods
Dec 04, 2025
The festive season is all about cosy gatherings, rich food and a little indulgence. But for many people, the weeks leading up to Christmas can also mean unexpected bloating, fatigue, headaches or skin flare ups. By the time Christmas Day itself arrives, it's common to feel exhausted, out of balance and unsure which festive foods have contributed to the discomfort. Hidden intolerances may be playing a bigger role than you realise.