Fermented milk might not sound like everyone's drink of choice. But, in the UK, the number of people consuming the health beverage, also known as kefir, is sky-rocketing. And, according to experts, so ...

Probiotics are live microorganisms that you can consume for gut health. They can be found in kefir, kombucha, sauerkraut, and yogurt, among other foods.

Find out which fermented favorite comes out on top.