By Natalie Bass Here's everything you need to know about Yeo Valley's new grab-and-go kefir ... Kefir is similar in texture and taste to yogurt, with a creamy, milky flavour and hint of tang.

Sainsbury's customers will have a challenge finding the Yeo Valley ... yogurt is advertised as containing "nothing artificial" and has a total of 12 grams of protein per pot. It is also gluten ...