Just Ingredients Probiotic Complex is a 3-in-1 blend of prebiotics, probiotics, and postbiotics designed to support gut health, digestive balance, and immune function.* It delivers 5 billion CFUs from spore-forming probiotic strains—carefully selected for their ability to survive digestion and reach the gut where they’re most effective.* Formulated with real elderberry and lemon to support your everyday immune health, this fruit-flavored blend contains no artificial flavors, sweeteners, colors, or natural flavors.*