* Dietary Supplement * Freeze-Stabilized * Helps Support A Healthy Colon Source Naturals Freeze-Stabilized Acidophilus is an advanced probiotic product. 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.