By far, the most well researched bacterial resident of the small intestine is L. acidophilus. Contra-Indications If pregnant or breast feeding, consult your health care practitioner before using. For more information on this product contact your healthcare practitioner. This product should not be used as a substitutefor a varied diet. Directions Recommended dose 1 capsule per day with a meal. Do not exceed this recommended dose unless prescribed by your practitioner.