Kirkman's Lactobacillus Acidophilus is a single-strain acidophilus supplement containing 3 billion bacteria per capsule. Because this product contains only the L. acidophilus probiotic strain, it meets the criteria of probiotics considered 'legal' on the Specific Carbohydrate Diet. No Bifido strains are present in this product. It is free from casein, gluten, soy, wheat, milk, corn, preservatives, yeast, gelatin, flavorings, colorings, peanuts, tree nuts & fish. Kirkman Laboratories Lactobacillus acidophilus features only that one probiotic strain. This species is recognized as one of the primary friendly lactic acid bacteria residing in a healthy gastrointestinal tract. Research over the past decade has shown th These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. As a dietary supplement take 1 (one) capsule daily, or as directed by a physician or other health care professional.