From the databaseWhat the row says.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
Scope
Supplement × Supplement
Last verified
June 4, 2026
SynergyEmerging evidence
What is happening. Hesperidin and quercetin are both citrus/plant flavonoids with complementary antioxidant, anti-inflammatory and endothelium-supportive actions, and are frequently combined in vascular formulas.
Mechanism. Both flavonoids inhibit NF-kB-driven inflammation and support endothelial nitric oxide; their overlapping but partially distinct pathways may provide additive antioxidant and capillary-stabilizing effects.
Recommendation. Combining is reasonable for vascular and anti-inflammatory goals; no special separation is required. Take with food to improve flavonoid absorption.
Stack Score
How it moves the number.
Effect on the composite score
If both Hesperidin 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.
SourcesSources, by evidence tier.
Every claim on this page is cited. PMIDs link straight to PubMed.
Reference material
1- 1Manach C, et al. Polyphenols: food sources and bioavailability. American Journal of Clinical Nutrition. 2004.Needs sourceNo link