Lifeway Foods, Inc., a leading US supplier of kefir and fermented probiotic products to support the microbiome, has released a new functional beverage touting skincare benefits: Probiotic Smoothie + Collagen made with kefir cultures. Available in four flavors – matcha latte, berry blast, tropical fruit and plain – the new line features five grams of collagen in each serving and is lactose-free, as consumer demand for lactose-free dairy products is predicted to grow rapidly over the next five ...