Zeal Wellness does not contain PRObiotics. PRObiotics are microorganisms that grow inside your digestive system. However, Zeal Wellness does contain PREbiotics. PREbiotics are non-digestible carbohydrates that act as a food for probiotics. PREbiotics may increase the number of beneficial bacteria in your digestive system. Several important ingredients in Zeal Wellness that work as PREbiotics include Fructooligosaccharides and Aloe Vera polysaccharides.