Made to survive and thrive - Our understanding of probiotics has advanced by quantum leaps in recent years. So in an effort to provide you with the most current form of probiotics, we've developed Youtheory Spore Probiotic using three of the most widely researched spore probiotics available. Spore probiotics are naturally protected in a seed like shell that protects the cell (through manufacturing, shelf life and digestive transit). , Spores represent the next evolution in probiotics. The "spore" means "seed." They are extremely stable organisms that remain protected in a dormant state until they arrive safely in the intestinal tract to colonize, grow and proliferate. This advancement is simply a better way to replenish the body's microflora offering multiple advantages over traditional probiotic preparations.