Gellan

PrebioticGellan gum

What is it

Gellan (gellan gum) is a high-molecular-weight polysaccharide produced by the bacterium Sphingomonas elodea. It is widely used as a gelling agent, thickener, and stabilizer in foods and supplements.

Evidence for 1 use

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Excipient utility

Strong Evidence

Well established as a gelling and stabilizing agent in food and supplement formulations.

How it works

Gellan gum forms gels at low concentrations in the presence of ions, providing structure to liquids, capsules, and supplement gummies. It functions as soluble fiber in the gut, fermenting partly to short-chain fatty acids in the colon.

Dosage

Used as an excipient at very small amounts. FDA permits use at concentrations needed to achieve technical function. Daily intake from supplements is typically a fraction of a gram.

When and how to take it

No timing relevance at excipient levels.

1 commercial form

Compare the main delivery options and what they’re best suited for.

Gellan gum (excipient)

Common in plant-based capsules, gummies, and liquid suspensions.

Acts in GI tract; not absorbed intact

Safety

FDA-recognized as Generally Recognized as Safe (GRAS) for use in foods and supplements. High intake (multiple grams/day) may cause loose stools or bloating. JECFA has assigned an 'acceptable daily intake not specified' designation, reflecting low concern at normal use levels.

Who should be cautious

Generally safe in pregnancy and breastfeeding at typical use levels. People with severe gastrointestinal motility disorders should be aware of bulk-forming potential at high intakes.

Interactions

May modestly slow absorption of co-administered medications at high intakes. Take medications separately if using fiber-level amounts.

Frequently asked questions

Why is gellan in my supplement?⌄

Almost always as a gelling agent, thickener, or stabilizer for the formulation. It is not at fiber-level intake.

Is gellan safe?⌄

Yes. FDA-recognized as GRAS with no specified daily intake limit at typical use levels.

References

Gellan on Wikidata — Wikidata link

Gellan (ChEBI:85248) — ChEBI link

Gellan on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Gellan (PubMed search) — PubMed link

Track Gellan with Pilora

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.