Probiotic Defense, Healthy Intestinal Flora, 90 Vcaps, NOW FoodsNOW Probiotic Defense Capsules Healthy Intestinal Flora. Probiotic Blend in a Whole Food Base. 1 Billion Organisms, includes Soil Organisms. Promotes Positive Probiotic Balance and Supports Immune System. NOW Probiotic Defense is a combination of "friendly" probiotic bacteria, including ones commonly found as soil organisms, blended into a fermented whole food base. NOW Probiotic Defense contains 13 active bacterial strains and has been designed to