THE SANE VIEW
Scientists’ rapidly expanding knowledge about the microbes in our guts and the effect they have on our health has seen sales of foods containing probiotics soar in recent years. The global market for these foods, drinks and supplements that claim to contain live beneficial bacteria was worth £30 billion in 2015 according to one report, and is forecast to rise by almost 50 per cent by 2023. The big question is, do probiotics actually work?