Supplement × Supplement·a synergy·Moderate evidence
FOS can act as a prebiotic substrate for probiotic organisms and resident bifidobacteria.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
What is happening. FOS can act as a prebiotic substrate for probiotic organisms and resident bifidobacteria.
Mechanism. Prebiotic fermentation supports bacterial growth and SCFA production.
Recommendation. Start low and titrate one product at a time to reduce gas.
Effect on the composite score
If both Fructooligosaccharides (FOS) and Probiotics are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.
Every claim on this page is cited. PMIDs link straight to PubMed.
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NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.
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