Probiotic Daily is a vegetarian, dairy- and gluten-free, four strain probiotic totaling 100 billion CFU† per capsule. Each vegetarian DRcaps™ gastro-resistant capsule is sealed in nitrogen-purged aluminum blister packs to serve as protection from factors proven to compromise the stability of probiotics, such as heat, moisture, and oxygen. Probiotic Daily provides four researched strains of beneficial bacteria, including the extensively studied HN019 strain of Bifidobacterium lactis.