Pleasant tasting chewable tablets contains fructo oligosaccharides fos carbohydrate polymers which are found in fruits vegetables and cereals handy blister pack for ease of carrying as no refrigeration is required and the tablets are in a discreet and portable package they really are the perfect prebiotic food supplement for travellers and people on the move elifexir flat tummy plus now also contains 20 extra fos please note that elifexir flat tummy plus is a food supplement and is