Last reviewed May 2026 · 1 min read
Is Fructooligosaccharides (FOS) vegan?
Also known as: FOS, Oligofructose
Vegan
Suitable for a vegan diet.
Yes — Extracted from blue agave, yacon root, or chicory.
01 · The basics
What is Fructooligosaccharides (FOS)?
A plant-based prebiotic fiber.
02 · The source
Where it comes from
Extracted from blue agave, yacon root, or chicory. 100% plant-based.
03 · Alternatives
Best vegan alternatives
GOS (Non-vegan)
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Frequently asked
FAQ
Is FOS vegan?
Yes, it is derived from plants.
Commonly found in
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