Safety · Supplement
Quercetin: side effects, safety & interactions
Generally safe; high doses may affect kidney and drug metabolism (CYP inhibition).
- Overall grade
- Grade C
- Last revised
- 0
- graded outcomes
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
The evidence in words
Safety profile
Generally safe; high doses may affect kidney and drug metabolism (CYP inhibition).
Interactions to respect
Blood-pressure medications — Additive blood-pressure lowering.
What Quercetin is
Quercetin is a plant flavonoid found in onions and apples, studied for blood pressure, allergy, and (with fisetin) as a senolytic.
The honest bottom line
A modest blood-pressure helper with an experimental senolytic sideline. Real but minor; absorption is the bottleneck.
Related reading
Entries that share this one's tags or conditions.
- Fisetin: side effects, safety & interactionsFood flavonoid, appears safe; human dosing unestablished.Evidence grade D
- Quercetin for Blood pressureEvidence grade C — Higher dosesEvidence grade C
- Cocoa Flavanols: side effects, safety & interactionsSafe; watch caffeine/theobromine and the sugar in chocolate.Evidence grade B
- QuercetinA flavonoid with modest blood-pressure data, a senolytic research role, and poor absorption to overcome.Evidence grade C
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.