Organic Fructo-oligosaccharide (FOS)
Organic short-chain prebiotic for fiber fortification.
Organic FOS is a short-chain prebiotic that adds soluble fiber and supports gut health, with a mild sweetness that suits reduced-sugar reformulation.
Big brands already use Fructo-oligosaccharide (FOS) in their formulas
10 launches reviewed across 4 categories — fiber-enriched dairy, drinks & shakes, bakery & cereal and more.
See the real product examples →Fiber + prebiotic
- Adds soluble dietary fiber
- Mild sweetness, clean taste
Where to use it
Typical use levels are formulation starting points, not finished-spec guidance.
| Yogurt & dairy | Soluble fiber fortification with mild sweetness |
| Bakery & bars | Fiber boost in clean-label snacks |
| Beverages | Transparent soluble fiber |
Product specifications
| Parameter | Limit | Method |
|---|---|---|
| Total FOS (on solids) | ≥ 95% | HPLC |
| Solids (syrup) | ≥ 75% | Refractometer |
| Loss on Drying (powder) | ≤ 5.0% | Gravimetric (drying oven) |
| pH | 4.5–7.0 | pH meter |
| Conductivity Ash | ≤ 0.3% | Gravimetric (ashing) |
| Arsenic (As) | ≤ 2.0 mg/kg | ICP-MS |
| Lead (Pb) | ≤ 1.0 mg/kg | ICP-MS |
| Total Plate Count | ≤ 1000 CFU/g | AOAC 990.12 |
Tested to FCC / USP / AOAC-aligned methods; Chinese GB limits on request. Full COA with every order.
What backs this ingredient
Meta-analysis of 20 RCTs: FOS-type oligosaccharides raise stool frequency
Non-digestible oligosaccharides including FOS increased bowel frequency (constipated individuals SMD 0.99 vs placebo; 2.5–30 g/day).
Chen et al., Nutrients 2025;17:3246 ↗Novel-food and FOSHU history across key markets
FOS is used as a food ingredient and nutrient fortifier in China, carries FOSHU status in Japan for digestive health, and is GRAS in the US.
Regulatory status: CN / JP FOSHU / US FDA ↗Buying Fructo-oligosaccharide (FOS): short answers
How much FOS is in your organic product?
≥95% total FOS on solids by HPLC.
Can organic FOS be used in clean-label yogurt?
Yes — mild sweetness and transparent solubility make it a standard fiber-fortification choice.
How Fructo-oligosaccharide (FOS) is used
Organic FOS in Yogurt & Bars: The Fiber-Fortification Workhorse
Adding organic FOS to yogurt, granola and snack bars — 95% FOS on solids, mild sweetness, and how it earns a f…
Read application →Organic FOS in Beverages: Transparent Fiber for Functional Drinks
Fortifying functional drinks with organic FOS — transparency in solution, mild sweetness and a prebiotic story…
Read application →Source Certified Organic Organic Fructo-oligosaccharide (FOS)
Bulk pricing, free samples and COA within 1 business day.
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