If you're a purveyor of probiotics, you're likely familiar with kefir. A fermented milk beverage likened to ... or kefir that has developed visible organic growth should be thrown out immediately.

In our big probiotics study, the group taking a fermented milk based drink called kefir saw significant changes in their gut bacteria – specifically a rise in a family of bacteria called ...

A: First, let's settle the question of how to pronounce kefir. Most American say KEE-fur or KEFF-er. The correct pronunciation is kuh-FEAR. Kefir is made by fermenting milk with a mixture of ...

Yogurt and kefir, both fermented milk products, have long histories ... vitamin A, and vitamin D. Probiotics are living ...