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GI bloating and flatulence at high doses (>15g/day). Generally well tolerated at 3-8g/day.
Fructooligosaccharides (FOS) are short-chain fructose polymers that selectively feed Bifidobacterium and Lactobacillus. Used for gut microbiome support.
Selectively fermented by colonic Bifidobacterium and Lactobacillus species producing short-chain fatty acids and reducing luminal pH. Increases faecal biomass and beneficial bacterial populations while inhibiting pathogens through competitive exclusion.
| Population | Safety rating | Max safe dose |
|---|---|---|
| General | Likely safe | — |
| Pregnancy | Likely safe | — |
| Elderly | Likely safe | — |
No peer-reviewed clinical trial data found for this ingredient.
Data by supplement.ge — Public Health Institute of Georgia (PHIG)