Purepharma synbiotics sb3 13 billion live probiotic bacteria three types of prebiotic fibre 200 mg of vitamin c 1 stick per day 30 daily servings your gut contains trillions of 8220good8221 bacteria of many different types that act as a first line of defence to fight unwanted germs unfortunately lack of sleep processed food and stress can upset your natural balance sb3 keeps your gut healthy whatever life throws at you health and well being begins within sb3 is designed to provid