Mega Strength. 100 Billion Organisms. Clinical Lifestyles. 1 Daily. Kal® Probiotic Strength 100™ formula is a blend of L. acidophilus and B. lactis designed to provide nutritive support for the establishment and maintenance of favorable intestinal flora in both the small and large intestine. Each vegetarian capsule is enteric coated and provides at least 100 billion viable microorganisms at time of manufacture.