All-spore antioxidant producing probiotic supplement. One of the most scientifically validated probiotics on the market. Broad-acting probiotic blend of 5 Bacillus spores that have been shown to help maintain healthy gut barrier and immune function. 99.99% survivability through the digestive tract. The Bacillus spore life cycle allows them to remain dormant in harsh environments. Once inside the large intestine, dormant spores can change into their active forms and begin colonizing in the gut. 5-year shelf-life, no refrigeration required. Designed for adults and children ages 5+, MegaSporeBiotic has quickly become a household favorite among health practitioners and consumers alike.