Senolytics are a class of small-molecule drugs and natural compounds designed to selectively induce death in senescent cells (“zombie cells”) that accumulate with age and cause tissue dysfunction. By clearing these cells, senolytics aim to delay, prevent, or treat age-related diseases, including cancer, diabetes, and cardiovascular diseases, potentially extending human healthspan.
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Around 80 senolytics are known, but only two have been tested in humans: a combination of dasatinib and quercetin. It would be great to find more senolytics that can be used in a variety of diseases, but it takes ten to 20 years and billions of dollars for a drug to make it to the market
Quercetin is a potent natural flavonoid and senolytic compound that helps eliminate aged, non-functioning “zombie” cells, promoting cellular renewal and healthy aging. Frequently combined with fisetin, it acts as an antioxidant that supports cardiovascular health, reduces inflammation, and improves physical endurance.
Key Aspects of Quercetin as a Senolytic Supplement:
- Synergistic Action: Quercetin is often paired with fisetin to enhance the clearance of senescent cells, offering a more effective, comprehensive approach to longevity than either compound alone.
- Mechanism: It works by inhibiting specific pathways that allow damaged cells to survive, encouraging them to undergo apoptosis (programmed cell death).
- Enhanced Absorption: Look for formulations using Quercetin Phytosome or liposomal technology, which offer significantly higher bioavailability (up to 20 times) compared to standard quercetin.
- Dosage & Usage: Research often suggests “hit-and-run” dosing—taking higher doses intermittently rather than daily—to target senescent cells without causing long-term side effects. Common doses in studies range from 500mg to over 1000mg.
- Common Combinations: Often sold in “Senolytic Activator” formulas, which may include fisetin, black tea theaflavins, apigenin, or bromelain.
- Safety: While generally recognized as safe, high doses (over
daily) over long periods may cause headaches, nausea, or tingling. It is not recommended for those who are pregnant, breastfeeding, or taking specific medication like blood thinners.
It is important to consult with a healthcare provider before beginning a new supplement regimen, particularly to check for potential interactions with medications.
