What it does: FOS nourishes and stimulates the growth of friendly gut bacteria, especially Bifidobacteria and Lactobacilli, which play a key role in digestive balance and gut health.
How it is used: FOS is commonly included in supplements for digestive support, often combined with probiotics to enhance the growth and activity of beneficial gut flora and to encourage regular bowel movements.
Natural sources and supplement forms: FOS is naturally found in foods like chicory root, onions, garlic, asparagus, leeks, and bananas. Supplements typically use purified FOS as powders, capsules, or blends, sourced from plants or produced through fermentation.
Why it appears in supplement formulas: FOS is added to supplement formulas for its proven ability to enrich beneficial gut bacteria, improve the effects of probiotics, and increase dietary fiber intake, all of which support digestive wellness.
What to know before use: High doses of FOS may cause temporary gas or bloating in some individuals; gradually increasing intake can help the digestive system adjust.
Interesting Fact
Naturally Found in Fruits and Vegetables
Fructooligosaccharide, often called FOS, is a type of fiber naturally present in foods like onions, garlic, bananas, and asparagus. It serves as a food source for beneficial gut bacteria, which is why it’s often included in supplements that support digestive balance. FOS is valued for its ability to help nourish your body’s own healthy bacteria, supporting a balanced gut environment.
