Kefir and yogurt both ferment milk with lactic acid bacteria, but kefir’s grain-based culture of 30-plus bacterial and yeast strains creates a fizzier, thinner, more microbially diverse drink than yogurt’s two-strain fermentation.
Kefir grains aren’t cereal grains — they’re a living SCOBY built from bacteria, yeast, and a polysaccharide scaffold called kefiran. Here’s exactly what’s inside and how it all works.
Saffron is one of the world’s most valuable spices—but the reason isn’t just its flavor.
Some types of yogurt contain live cultures that may help support a healthy and balanced digestive system.