Est. 1967. May Support A Healthy Digestion. Dietary Supplement. Mason Guarantee - Laboratory Tested. cGMP - Certified Good Manufacturing Practice. Gluten Free. Soy Free. Sodium Free. Each capsule contains a specially cultured strain of Lactobacillus Acidophilus. Lactobacillus Acidophilus and other related organisms are normal inhabitants of the human intestinal tract and are called 'friendly bacteria'. Such organisms are found in yogurt where they aid in milk sugar digestion.