Bifidobacteria fibre' (formerly 'For maintaining regularity') is a natural supplement containing carefully selected microorganisms and fibres. Bifidobacterium lactis BB-12 has seen extensive scientific and clinical research, and is thought to be the world's most researched strain of the entire family of Bifidobacteria. What's more this high quality strain is scientifically proven to survive stomach acidity and biliary salts to reach the gut alive. The ingredient Fructooligosaccharide (FOS), makes this product naturally high in fibre. FOS is a soluble fibre which may act as a food source for the body's natural bacteria, and as roughage in the bowels. OptiBac 'Bifidobacteria fibre' can be taken once a day for ongoing maintenance; or as and when desired, in which case we recommend taking up to 4 sachets a day. Thanks to the high amount of natural fibre in this supplement, it may be especially suitable for those with constipation. Constipation affects in particular: More women than menSome people whilst travellingInfants childrenPregnant womenThe elderly 'Bifidobacteria fibre' (formerly called 'For maintaining regularity') is a safe and gentle food supplement. It is appropriate for long-term use, can be taken by infants from 1 year and up, and is gentle enough for pregnant breastfeeding mothers, as well as the elderly. It is thought that people with lower levels of good bacteria in the gut are more susceptible to various health conditions including bloating and constipation. Bifidobacterium lactis BB-12 is a type of microorganism, of natural bacteria, also known as live cultures. Fructooligosaccharides is often referred to as a 'prebiotic' and/or a soluble fibre, and is thought to be the food source for the body's natural bacteria; they can be found in certain foods such as Jerusalem artichokes, leeks onions. Note: The high dose of fibres in this supplement, Fructooligosaccharides, may initially result in flatulence and/or bloating in some people. This is a positive sign that the friendly bacteria in your body are being stimulated, and side-effects should soon cease. If these side effects do continue for more than 3 - 4 days, consider reducing the dosage of 'Bifidobacteria fibre' (formerly 'For maintaining regularity') before gradually building up again. Bifidobacterium lactis BB-12 from OptiBac is likely the most researched lactis strain in the world.