“We don’t want to give people a licence to drink more beer. In high concentrations alcohol is bad for the gut but if you drink just one of these beers every day it would be very good for you.”
The best beers rich in healthy probiotic yeast include Hoegaarden, Westmalle Tripel and Echo Kriekenbier.
Unlike most beers, these brand are fermented twice – once in the brewery and again in the bottle.
The second fermentation increases the strength of the beer and creates a sharper, drier taste.
The NHS guidelines is that men and women are advised not to drink more than 14 units a week on a regular basis.