The Once Daily Menu0027s formula contains a potent mix of carefully selected live bacteria strains that survive stomach acid and bile. 30 Billion Cfu Guaranteed* 14 Diverse Live Bacteria Strains Gluten Free Dairy Free Soya Free Vegan*The amount is guaranteed until the end of shelf life, based on stability studies with the final product, when stored as directed.CFU: Colony forming unitsTo use: Take 1 capsule daily. May be taken with or without food.Can be used alongside antibiotics. We recommend you take our product 2-3 hrs before or after antibiotic treatment. Suitable for adults only.