Health Guide
Drug Guide


What is it?

Fructo-Oligosaccharides are a source of dietary fiber that are used to improve bowel and liver function. They are also used to reduce blood cholesterol and blood pressure.

Other names for Fructo-Oligosaccharides include: FOS, Oligofructose, and Neosugar.

Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.

Before Using:

Tell your doctor if you


Talk with your caregiver about how much Fructo-Oligosaccharides you should take. The amount depends on the strength of the medicine and the reason you are taking Fructo-Oligosaccharides. If you are using this medicine without instructions from your caregiver, follow the directions on the medicine bottle. Do not take more medicine or take it more often than the directions tell you to.

To store this medicine:

Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.


Side Effects:

Stop taking your medicine right away and talk to your doctor if you have any of the following side effects. Your medicine may be causing these symptoms which may mean you are allergic to it.

Other Side Effects:

This medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.


1. Macfarlane GT & Cummings JH: Probiotics and prebiotics: can regulating the activities of intestinal bacteria benefit health? BMJ 1999; 318(7189):999-1003.

2. Bouhnik Y, Flourie B, Riottot M et al: Effects of fructo-oligosaccharides ingestion on fecal Bifidobacteria and selected metabolic indexes of colon carcinogenesis in healthy humans. Nutr Cancer 1996; 26(1):21-29.

3. Alles MS, Hautvast JGAJ, Nagengast FM et al: Fate of fructo-oligosaccharides in the human intestine. Brit J Nutr 1996; 76(2):211-221.

4. Briet F, Achour L, Flourie B et al: Symptomatic response to varying levels of fructo-oligosaccharides consumed occasionally or regularly. Eur J Clin Nutr 1995; 49(7):501-507.

Last Updated: 9/15/2016

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