Not everyone is convinced that a mouthful of yogurt teeming with millions of live bacteria is great for your gut.
As the NHS notes, there is little evidence to support claims that probiotics restore the natural balance of your gut bacteria.
But not to worry if you’ve already spent a small fortune on the yogurts, it probably wasn’t a waste of money after all.
New research has shown that the friendly bacteria could help reduce stress and improve mental health.
In a study of 22 men, volunteers who took the probiotic for a month had lower levels of daily stress than those given a ‘dummy’ placebo.