NMN vs Fisetin

NMN vs Fisetin

In our relentless quest for youth and vitality, science presents numerous promising compounds that promise to slow down, if not reverse, the effects of aging. Two of these remarkable molecules, creating waves in the longevity field, are Nicotinamide Mononucleotide (NMN) and Fisetin. Both substances, currently undergoing human clinical trials, show individual potential in the aspects of health and aging.

Nicotinamide Mononucleotide (NMN)

Let's start by diving into NMN, a derivative of niacin, a type of Vitamin B3. The compound plays a pivotal role in cells' energy production and is a direct precursor of Nicotinamide Adenine Dinucleotide (NAD+). Harvard researchers discovered that NAD+ levels diminish as a person ages, thereby impairing cellular function and metabolism. The reduction of NAD+ is associated with various age-related diseases like obesity, type II diabetes, Alzheimer's, and even cancer. This discovery has diverted the interest of researchers towards substances such as NMN that can replenish the dwindling NAD+ levels.

Research done on mice has shown that supplementing with NMN can enhance lifespan and overall health. Experiments by Dr. Shin-Ichiro Imai and his team from Washington University School of Medicine, demonstrated NMN's ability to counteract age-associated physiological decline. In particular, muscular degeneration, immune suppression, body weight gain, insulin resistance, and bone density reduction were all significantly improved. While human studies are in progress, these preliminary findings suggest NMN could be a key molecule in the fight against aging.


Switching gears slightly, we arrive at Fisetin. This flavonoid compound, naturally present in fruits and vegetables like apples, strawberries, onions, and cucumbers, has gained attention for its senolytic properties.

Senolytics, a class of drugs capable of killing senescent cells while leaving healthy cells unscathed, may be the key to longevity and healthy aging. Senescence is a state where cells lose their ability to divide and function properly. These malfunctioning, non-dividing cells accumulate with age and wreak havoc on the body by releasing harmful substances that cause inflammation and induce other cells to senesce.

A study published in the medical journal Cell discovered that Fisetin could selectively eliminate senescent cells, thereby reducing inflammation and other age-related symptoms in mice. Similar to NMN, studies on humans still have a long way to go. However, early findings endorse the potential influence Fisetin could have on human health, where clearing out these 'zombie cells' might pave a path towards a healthier and inevitably longer life.

Conclusion: NMN vs Fisetin

While both NMN and Fisetin show significant promise, it is essential to highlight several differences. NMN focuses on energy production within cells and DNA repair, addressing the cause of aging from the perspective of cellular energy metabolism. Its method of action primarily lies in the replenishing of NAD+ levels, necessary for myriad biological processes.

Fisetin, on the other hand, directly targets senescent cells. This compound fundamentally targets the outcome of the aging process, specifically senescence, which inevitably leads to systemic inflammation and subsequent diseases. Fisetin works more as a spot cleaner, a substance that clears up the mess rather than preventing it from happening.

Both NMN and Fisetin are budding stars in age-related research. Currently, NMN is not regulated by the FDA, and individuals interested in integrating it into their health regimen should consult a healthcare provider. Fisetin is generally recognized as safe (GRAS) by the FDA when consumed naturally in fruits and vegetables, but high-dose supplements should be taken under professional advisement.

To sum it up, both NMN and Fisetin are on the broader mission of illuminating pathways to longevity. However, each tends to the task in unique ways and address different aspects of the aging process. Just like the dynamic nature of aging, the quest for longevity will be multifold, involving the manipulation of various facets of human physiology.

These exciting areas of research lay plenty of groundwork for the future. As we await further results from extensive research and human clinical trials, we're standing on the precipice of what could be a revolutionary approach towards human health and aging.

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