In the 21st century, companies have hopped on the kefir train, selling bottled versions in supermarkets in the dairy coolers. Once you bring it home and open it, though, how long do you have to ...

People can now get their hands on a large kefir drink in stores that also helps boost the immune system and gut health ...

“If there was a flavour of my childhood, it would be kefir. If there’s something that feels like home in a bottle, it’s kefir ...

By religiously feeding the right food to the grains and creating an environment for it to thrive, I now make one bottle of water kefir every week. Next to the kefir jar, are other jars of kombucha ...

But what about probiotic drinks? Head to any supermarket and you’ll find row after row of tiny yoghurt pots and kefir bottles, all claiming to offer microbiome benefits. But just how effective ...