Can home tests tell you if you have an allergy or a food intolerance?

We're back with a new batch of investigations and kicking off this series is one of our most popular requests: home allergy tests. The companies that make them claim they can help you work out if you have an allergy or intolerance to certain foods. The idea is the information can help you decide what to eliminate from your diet. But do they work?

Greg is joined by consultant allergist Professor Adam Fox to do a deep-dive and separate out the science fact from the marketing fiction.

As ever this series we're looking for YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk OR send a voice note to our WhatsApp number, 07543 306807

PRODUCERS: SIMON HOBAN AND GREG FOOT RESEARCHER: PHIL SANSOM