This non-GMO Multi Collagen contains vitamin C and probiotics to support a healthy immune system and gut health. Ancient Nutrition is the leading collagen supplement brand with a proprietary fermented eggshell membrane collagen ingredient backed by human clinical studies, proven to provide results as early as day one. Each serving contains 2 billion CFU of the probiotic strain known as Bacillus coagulants. This is added to provide extra support for a healthy gut, digestive function, healthy bowel transit time, and healthy gut flora. And with a rich chocolate flavor, this mix is sure to satisfy your taste buds as much as your gut.