Looking after our gut health has become a top priority in recent years, and there seems to be a new hack for ‘boosting’ our total of good bacteria every week.

You can’t blame people for wanting to improve the state of their microbiome; good gut health is truly central to our wellbeing. It affects everything from immunity to energy levels, and one of the best things we can do to make the trillions of microbes in our gut happy is by getting familiar with the world of fermentation.

One example of that is drinking kombucha. Available on supermarket shelves, in health food shops and at the odd restaurant, demand for kombucha has skyrocketed to become the fastest-growing product in the functional beverage market.

Can kombucha (even the cheap ones) improve gut health? Here’s what you need to know about buying the fermented drink