Improving gut health is one of the most surprising health trends set to be big this year, but it's music to the ears of people pained by bloating and other unpleasant side effects.
This need to sort out our stomachs has sparked a surge in searches for intolerance test kits, promising to reveal everything irritating your gut with a simple blood test or hair sample.
These tests can be expensive and have been called "pseudoscience" by some medical professionals but others swear by them, claiming their lives have been changed by the results.
