Vitamin C regenerates quercetin
Vitamin C helps regenerate quercetin after it acts as an antioxidant, extending its effectiveness.
Take quercetin with vitamin C for enhanced antioxidant effect.
Take together
Vitamin C regenerates quercetin. Take quercetin with vitamin C for enhanced antioxidant effect.
Take together
This interaction is rated “Synergy” by Formulate. Vitamin C helps regenerate quercetin after it acts as an antioxidant, extending its effectiveness.
Studies from our registry that mention quercetin or vitamin c. Each links to the primary source and the other Formulate pages citing it.
Mentions quercetin · 2016
Quercetin, inflammation and immunity
Li Y, Yao J, Han C, et al. · Nutrients
Reviews mechanisms by which quercetin modulates inflammatory pathways (NF-κB, mast cell stabilization) and immune response — basis for its use in allergy, upper respiratory infections, and exercise-induced inflammation.
Mentions vitamin c · 2010
Iron bioavailability and dietary reference values
Hurrell R, Egli I · American Journal of Clinical Nutrition
Reviews enhancers (vitamin C, meat) and inhibitors (phytate, polyphenols, calcium) of non-heme iron absorption, providing the mechanistic basis for pairing iron with vitamin C and separating it from tea/coffee.
Mentions quercetin · 2007
Quercetin reduces illness but not immune perturbations after intensive exercise
Nieman DC, Henson DA, Davis JM, et al. · Medicine and Science in Sports and Exercise
Double-blind RCT (n=40) in cyclists found 3 weeks of 1g/day quercetin reduced upper respiratory tract infection incidence during an intensive training block without altering immune markers.
Mentions vitamin c · 2000
Prediction of dietary iron absorption: an algorithm for calculating absorption and bioavailability
Hallberg and Hulthén · American Journal of Clinical Nutrition
Foundational model for non-heme iron absorption factoring vitamin C, phytates, tannins, and calcium interactions.
Other interactions to know
High-dose vitamin C may reduce B12 absorption
Vitamin C dramatically enhances iron absorption
Quercetin enhances resveratrol bioavailability
Quercetin acts as zinc ionophore
Vitamin C is required for collagen synthesis
Check your full stack in the free interaction checker.
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Medical disclaimer. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.
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