Longevity
Quercetin — timing, dose & interactions
Flavonoid from onions, apples and capers with antioxidant and senolytic activity in lab studies (used with dasatinib in experimental 'D+Q' protocols).
Timing
When to take it
Take with a fat-containing meal — absorption is poor on its own.
Interactions
Quercetin with other supplements
No documented supplement interactions in our dataset.
Safety
Medications & health conditions
CautionCancer treatment
Antioxidants may interfere with cancer treatment. Some chemotherapy and radiation work partly through oxidative damage; high-dose antioxidants could reduce their effect. Discuss every supplement with your oncology team.
Mechanism-based
Buying guide
What to look for on the label
Quercetin
- Phytosome or isoquercetin forms for better absorption
FAQ
Common questions
When is the best time to take Quercetin?
Breakfast or Lunch. Take with a fat-containing meal — absorption is poor on its own.
Should Quercetin be taken with food?
Yes. It is fat-soluble, so take it with a meal that contains some fat.
Sources