FOSSENCE® is short chain fructo-oligosaccharide (scFOS), a soluble prebiotic dietary fibre and is suitable for consumption by individuals across age groups. Studies with intervention of scFOS has been pursued with an intake of 10 – 15 g/d with no side effects. However, excessive intake may lead to side effects of gastric intolerance such as bloating and flatulence. Safe intake of FOS is 10 – 15 g/day with and Upper Tolerable limit of as 20 g/day in the general population.
According to a recent scientific review article (systematic review and meta-analysis: Dou et al. 2022 ), which included 9 studies with FOS intervention wherein the dose range was 7.5–15 g/d and duration ranged from 7 to 56 days. This meta-analysis objectively investigated the effect of FOS on bacterial communities and gastrointestinal symptoms, and reached a conclusion that FOS intervention not only could increase the number of Bifidobacterium spp. in the colon but the dosages were also well tolerated.