Source Naturals Freeze Stabilized Acidophilus is and advanced and potent probiotic product. It was developed by Dr. Khem Shahani a prominent flora researcher at the University of Nebraska. Acidophilus supports colon health by altering the intestinal ecology to favor ''friendly'' flora. Acidophilus also manufactures some B-Vitamins especially folic acid. The acidophilus cells are specially protected before and after freeze drying by a unique stabilizing process. . .Other products from HerbsPro