Probiotic Bacillus Calusii (Novaflora) 2 Billion SFU/5ml is a liquid probiotic supplement available in 50ml bottles, with 10 bottles per pack. Each 5ml dose contains 2 billion Spore Forming Units (SFU) of Bacillus Calusii, a beneficial bacterium that supports gut health and aids in maintaining a balanced intestinal microbiota. This probiotic is commonly used to help with digestive issues, boost immunity, and restore gut flora, especially after antibiotics or digestive disturbances. The 50ml bottle size is convenient for regular use, and the product should be taken as directed by a healthcare provider.