Containing more than 4 billion live bacteria per capsule, Lamberts Acidophilus Extra 4 is a favourite in the pro-biotic market for encouraging the necessary balance between the helpful and harmful bacteria in your system. This pack of 30 will provide you with a 15 day supply as two tablets per day are recommended for optimal effectiveness. This product is recommended for the elderly, those on restricted diets and those who may be travelling overseas. This product is best contained in cool, dry conditions in order to preserve and prolong the lifespan of the Acidophilus bacteria. Also available in a pack of 60. For a more potent acidophilus probiotic, Lamberts Acidophilus Extra 10 is also available on our site in 30 and 60 packs and is recommended for those whose gut flora is unbalanced due to: - taking oral antibiotics -illness -stress -Irritable bowel syndrome -Candida overgrowth (thrush) -travelling overseas.