BBC Click's Lara Lewington uses a smartphone app in a supermarket
Media playback is unsupported on your device

The apps which could help those with allergies

From an app which helps those with food allergies and intolerances to find food they can eat safely to a prototype device which can detect the presence of gluten in food, BBC Click's Lara Lewington looks at some of the latest allergy technology.

More at and @BBCClick

  • 23 May 2016
Go to next video: Laser 'tattoos' to replace fruit labels