FOS – Fructooligosaccharides. FOS are fermentable carbohydrates used as prebiotic fibres.
This guide explains its use, the label, the available evidence and the main precautions.
FOS – Fructooligosaccharides – What Are They?
FOS are fermentable carbohydrates used as prebiotic fibres.
Where is it used?
They are found in gut-health and fibre products.
What should I look for on the label?
Look at the grams of FOS per serving.
What do we know from the available evidence?
They can support specific gut microbes, but are not well tolerated by everyone.
Safety & Precautions
They may increase gas and bloating.
Frequently Asked Questions
1. Is it necessary for everyone?
No. Its usefulness depends on the specific goal and actual need.
2. Is it better because it is more specialized?
Not necessarily.
In Brief
FOS – Fructooligosaccharides are assessed by their form, dose and actual purpose of use.