Optibac probiotic is a natural friendly bacteria supplement for newborns, babies, toddlers and kids up to 12 years old to keep the gut healthy and aid digestion. Each sachet provides 3 billion live cultures + 0.75g of Fructooligosaccharide (FOS) fibres. This supplement has been clinically trialled in school-aged children and is proven to survive to reach the gut alive.