ProVen Probiotics Fit for School Chewable Tablets (30). Friendly bacteria and vitamin C developed specifically for children. ProVen Probiotics Fit for School chewable tablets have been specially formulated for children aged 4-16 years old.Each tablet contains 12.5 billion of the unique Lab4 acidophilus and bifidus friendly bacteria combined with vitamin C to provide support for your child’s immune function.ProVen Probiotics Fit for School was used in the ProChild study, which took place over a six-month period throughout autumn and winter.. Delicious natural strawberry-flavoured chewable tablet. ProVen Probiotics Fit for School are provided as one-a-day chewable tablets with a delicious strawberry flavour that can be taken straight after a meal or snack. They contain no added artificial colours, flavours or preservatives.. Key features. 12.5 billion Lab4 friendly bacteria per tablet. With vitamin C to support immunity. Strawberry-flavoured chewable tablet. Do not require refrigeration