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Inulin / FOS (Prebiotic)
A natural fiber that acts as food for your good gut bacteria, quietly nurturing the microbial ecosystem in your digestive tract.
Benefits
- +Feeds beneficial bacteria like Bifidobacterium in the gut
- +May improve calcium and mineral absorption
- +Supports healthy blood sugar regulation
- +Can help with regularity and bowel movements
- +May contribute to feelings of fullness
Dosage & Cost
Range3–10 g/day
TimingCan be taken anytime — stirs easily into smoothies, coffee, or water
Daily cost0.10–0.30
Start with 2–3 g and ramp up gradually over a week or two to let your gut adjust. FOS is a shorter-chain form and may be gentler to start with.
Side Effects
- !Bloating and gas — especially at higher doses
- !Digestive discomfort if introduced too quickly
- !Can worsen symptoms in people with IBS or FODMAP sensitivity
Food Sources
- • Chicory root (highest natural source)
- • Jerusalem artichoke
- • Garlic
- • Onions
- • Asparagus
- • Bananas (especially unripe)
References & Links
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This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.