What kind of interaction is it?

Synergy: a documented combination effect that is stronger or more useful than either substance taken alone.

Is this interaction backed by published research?

Yes. NutriStack lists 1 citation row for the Oligonol (Lychee Polyphenol) + Quercetin pair, each linking to PubMed by PMID where available. Full sourcing methodology at https://nutristackapp.com/methodology/interactions.

Supplement × Supplement·a synergy·Emerging evidence

Oligonol (Lychee Polyphenol) + Quercetin

Q: Can I take Oligonol (Lychee Polyphenol) and Quercetin together?

Yes. The combination of Oligonol (Lychee Polyphenol) and Quercetin produces a measurable benefit. Both are plant polyphenols with antioxidant and anti-inflammatory activity; combining them provides overlapping radical-scavenging and microcirculatory support without a recognized adverse interaction.

Q: How does this affect a NutriStack Stack Score?

+2 to your Stack Score per scored synergy row.

Synergy Emerging evidence

Both are plant polyphenols with antioxidant and anti-inflammatory activity; combining them provides overlapping radical-scavenging and microcirculatory support without a recognized adverse interaction.

Supplement × Supplement

Open the interaction checker → Read the methodology

From the database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, and the recommendation.

Substances

Oligonol (Lychee Polyphenol) and Quercetin

Pair type

Synergy

Evidence

Emerging

Source citations

Scope

Supplement × Supplement

Last verified

June 4, 2026

SynergyEmerging evidence

What is happening. Both are plant polyphenols with antioxidant and anti-inflammatory activity; combining them provides overlapping radical-scavenging and microcirculatory support without a recognized adverse interaction.

Mechanism. Additive polyphenol antioxidant capacity and shared modulation of inflammatory signaling and endothelial nitric oxide pathways.

Recommendation. Can be combined for antioxidant and circulatory support. Use standard doses of each; no separation required.

Stack Score

How it moves the number.

Effect on the composite score

If both Oligonol (Lychee Polyphenol) and Quercetin 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.

Sources

Sources, by evidence tier.

Every claim on this page is cited. PMIDs link straight to PubMed.

Reference material

1Fujii H, et al. Antioxidant and anti-inflammatory properties of Oligonol. Review. 2008.Needs sourceNo link

Check your full routine

One pair was the worked example.

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Open the interaction checker → Browse the research index