Quercetin
3,3',4',5,7-Pentahydroxyflavone
Induces apoptosis in senescent cells by inhibiting pro-survival pathways (PI3K/AKT, BCL-2 family). Also inhibits COX-2, NF-kB, and MAPK inflammatory pathways.
Typical longevity dose: 500-1000 mg/day
Price Comparison
| Product | Vendor | Price | Per Serving | Trust | |
|---|---|---|---|---|---|
NOW Quercetin 500mg 500mg · capsule · 120 servings | Amazon⚠ | $16.49 | $0.14 | 2 | Buy |
Nootropics Depot Quercetin 500mg 500mg · capsule · 120 servings | Nootropics Depot | $17.99 | $0.15 | 9 | Buy |
NOW Quercetin 500mg 500mg · capsule · 120 servings | iHerb | $18.99 | $0.16 | 8 | Buy |
NOW Quercetin 500mg 500mg · capsule · 120 servings | NOW Foods | $19.99 | $0.17 | 7 | Buy |
Life Extension Bio-Quercetin 500mg 500mg · capsule · 30 servings | Life Extension | $14.25 | $0.47 | 9 | Buy |
Thorne Quercetin Phytosome 250mg 250mg · capsule · 60 servings | Thorne | $32.00 | $0.53 | 9 | Buy |
Add to cart: /cart?items=quercetin-now-500mg
Key Research
Dasatinib + quercetin selectively kills senescent cells.
Zhu Y, Tchkonia T, et al. (2015). Aging Cell
Interaction Warnings
Warfarin/anticoagulants
May increase bleeding risk
CYP3A4 substrates
Inhibits CYP3A4, may increase levels of statins
Synergies
Fisetin
Combined senolytic effect
Vitamin C
Vitamin C regenerates quercetin
Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.