The connection between digestive health and immune function is top of mind for consumers at a level never before seen. But the ingredients that confer good digestive health are not always used to their best effect in the fermented foods—especially dairy products such as yogurt, cheese, sour cream, and kefir. Dana McCurdy, PhD, a fermentation scientist and expert on kefir and other dairy food fermentation with special focus on probiotics and the functional components of fermented foods, discusses how to bring probiotics and prebiotic fibers and starches together into formulations to where they are at maximum efficacy.