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A natural compound that fights aging cells — even later in life
Who wouldn’t want to live longer if you could stay healthy and active? I know I would.
In fact, an awful lot of us would. That’s why an entirely new field of scientific research aimed at helping us not just live longer, but also healthier, has emerged…
It’s called senotherapeutics. And research in this area appears to have given us a key to unlocking one of the biggest roadblocks to healthy aging.
It’s not a prescription drug with a long list of side effects, a dangerous surgery or even an exercise program. Instead, it’s a simple nutrient shown to reduce damaged cells in your body, supporting both your health and your lifespan…
What is cellular senescence?
In simple terms, cellular senescence is a form of aging.
As the years pass, the number of damaged cells in your body increases.
If you have arthritis, damaged cells build up in your joints. If you have diabetes, you can have damage in your pancreas and other organs. With cardiac problems, damaged cells accumulate in your heart and blood vessels. As you age, the damage affects your brain too.
This process is called cellular senescence, and the damaged cells are called senescent cells.
This altered cell state is linked to aging and related diseases because, as these cells accumulate, they cause low-level inflammation wherever they are and release enzymes that break down and destroy surrounding tissue.
The process accelerates with age partly because of your immune system. When you’re younger, your immune system can clear out the damaged cells to keep you healthier. But as you get older, it works less effectively.
The good news is that two separate studies have confirmed that a natural product can reduce the levels of these cells in your body. In the process, it’s been shown to have significant positive effects not only on lifespan but also on how long you can remain healthy — known as your healthspan.
The researchers are now calling the compound — known as fisetin — a senotherapeutic. They say it can specifically target senescent cells in damaged tissue to rein in damage and slow aging.
Even better, studies at the University of Minnesota Medical School and the Mayo Clinic found that fisetin could provide benefits even later in life.
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Putting fisetin to work for your health
You might be tempted to chalk fisetin up to just another anti-aging fad. You’d be remiss if you did…
Previous studies show fisetin can protect the brain from age-related changes in neural function, cognition and memory, and may help with weight gain, blood sugar and circulation problems.
And fisetin has attracted enough scientific attention that researchers are now looking for ways to make it even more powerful.
An October 2026 study published in Aging Cell reported that scientists developed two experimental compounds derived from fisetin that showed even greater potential for fighting cellular aging.
In aging mice, these compounds reduced markers of cellular aging and inflammation in multiple organs, including the brain, kidneys and lungs. One also improved physical symptoms associated with aging, particularly problems with coordination and involuntary muscle movements.
Although these experimental compounds aren’t identical to naturally occurring fisetin, the findings add to growing evidence that targeting aging cells could help preserve health as we grow older.
So how can you use fisetin now?
Scientists are working to develop more powerful versions of fisetin for future drug development. But the original compound is something nature already provides.
Fisetin is a flavonoid found in fruits and vegetables — a natural antioxidant that contributes to their color. And adding fisetin-rich foods to your diet is an easy way to take advantage of the nutritional benefits these foods offer.
One of the richest food sources of fisetin is strawberries. Other sources include:
- Fall’s favorite fruit: Apples
- Grapes
- Cucumbers
- Persimmons
- Onions
Fisetin is also available as a supplement. You can find it online and at your local vitamin and supplement shops.
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Sources:
- Researchers have discovered how to slow aging — University of Minnesota Medical School
- Researchers uncover new agents that eliminate cells associated with age-related diseases — Mayo Clinic
- Fisetin: A Dietary Antioxidant for Health Promotion — Antioxidants & Redox Signaling
FAQ: Fisetin and Healthy Aging
What is fisetin, and how does it affect aging?
Fisetin is a natural plant compound called a flavonoid that may help combat cellular aging. Research suggests it acts as a senotherapeutic, targeting senescent cells — damaged cells that accumulate with age and contribute to chronic inflammation and tissue deterioration.
Can fisetin help you live longer?
Animal studies have shown that fisetin can extend lifespan and improve healthspan, the number of years spent in good health. Remarkably, benefits have been observed even when fisetin treatment begins later in life. However, whether it can extend human lifespan remains unproven.
What foods contain the most fisetin?
Strawberries are among the richest dietary sources of fisetin. Other sources include apples, grapes, persimmons, cucumbers and onions. Eating a variety of these foods provides fisetin along with other beneficial antioxidants and plant nutrients.
Can fisetin help protect the brain from aging?
Laboratory and animal studies suggest fisetin may protect brain cells against oxidative stress and inflammation, two processes associated with cognitive decline. Research has also explored its potential to support memory and neurological function as we age, although more human studies are needed.
Is it better to get fisetin from food or supplements?
Fisetin-rich foods provide a natural way to include this antioxidant in your diet. Supplements offer more concentrated amounts, but the doses used in anti-aging research are generally much higher than those obtained from food. Scientists have not yet established an effective anti-aging dose for humans, and long-term supplement safety remains uncertain.
By Dr. Adria Schmedthorst
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