Stretch Protected: Everything You Need to Know About Kefir There is no excerpt because this is a protected post. By Amanda Kohr Presented by This content is password protected. To view it please enter your password below: Password: Presented by Lifeway Lifeway Foods is America’s favorite probiotic kefir company. Since 1986, Lifeway has been committed to creating great-tasting cultured and fermented foods to support the health of your microbiome. You can find Lifeway kefir, skyr, supplements, farmer cheese, non-dairy Plantiful, and ProBugs for kids at your local grocer and online.