Digestive supplement* *This supplement contains strains proven to survive to reach the digestive system and is designed to complement your body's natural gut bacteria. Immune Support* *Vitamin C contributes to the normal function of your immune system and to the reduction of tiredness and fatigue. This daily supplement contains a unique, extensively researched strain of friendly bacteria called Lactobacillus paracasei CASEI 431® which is proven to survive to reach the gut alive. -This supplement was previously OptiBac ‘For daily immunity'-