Stem cells are the body’s built-in repair system.
They replenish blood cells, regenerate damaged tissue, renew skin, maintain the gut lining and support immune function throughout life. But as stem cells age, they become less efficient and will gradually lose their regenerative capacity.
What many people don’t realise is that stem cell health is closely tied to mitochondrial health. Mitochondria don’t just power stem cells; they regulate their fate, controlling whether a stem cell self-renews, differentiates, or declines. Here are six evidence-based ways to support your stem cells.
1. Fast Strategically
Fasting is one of the most powerful natural triggers for stem cell renewal. When nutrient availability drops, cells activate autophagy, the internal recycling process that clears out damaged components.
Research from Columbia University has shown that a fasting-refeeding cycle can reset the metabolism of aged stem cells, making them almost as proficient as young stem cells at regenerating the blood system. Intermittent fasts of 16–24 hours are useful in maintaining stimulus, while longer fasts of 48–72 hours trigger deeper stem cell renewal.
The metabolic switch from glucose to fatty acid metabolism during fasting appears to be the key signal that activates these regenerative pathways.
2. Exercise Regularly
Exercise is an important component, as it helps to mobilise stem cells from the bone marrow into the bloodstream, where they circulate as active repair agents. Both intense exercise and regular moderate training increase circulating precursor and progenitor cells, which researchers have described as “circulating paramedics”, repairing microscopic damage in muscles, blood vessels and tissues throughout the body.
The magnitude of stem cell mobilisation increases with exercise intensity. Regular training doesn’t just build fitness; it actively maintains your body’s repair infrastructure.
3. Support Your NAD+ Levels
NAD+ is a coenzyme that declines significantly with age, and its decline has direct consequences for stem cell health. NAD+ activates the sirtuin family of enzymes, which are critical regulators of stem cell maintenance. Research has shown that boosting SIRT1 expression in aged stem cells can reverse senescence and restore regenerative capacity.
Sirtuins also protect stem cell telomeres, the protective caps on chromosomes that shorten with each cell division. Supporting NAD+ through precursors such as NMN or NR, or through lifestyle strategies like exercise and caloric restriction, is one of the best interventions available for stem cell longevity.
4. Consider Mitoquinol
Of all the targeted supplementation strategies available for stem cell and mitochondrial health, Mitoquinol represents the most scientifically advanced option and deserves particular attention.
Developed in the 1990s by Professor Mike Murphy at the University of Otago and further refined at Cambridge University’s MRC Mitochondrial Biology Unit, Mitoquinol was designed to solve a fundamental problem: conventional antioxidants, including regular CoQ10, cannot penetrate the double membrane of mitochondria to reach the site where most oxidative damage actually occurs.
Mitoquinol attaches ubiquinol, the active form of Coenzyme Q10, to a positively charged carrier molecule that is electrochemically drawn into mitochondria by the strong negative charge across the inner mitochondrial membrane. The result is an accumulation inside mitochondria at concentrations 100 to 1,000 times greater than in the surrounding cell. Once inside, it neutralises reactive oxygen species at their source and is continuously recycled, creating a self-renewing antioxidant defence exactly where it is needed most.
This matters profoundly for stem cells. Excessive mitochondrial ROS damages stem cells and drives them toward senescence, shrinking the regenerative pool over time. By neutralising oxidative damage at its source, rather than addressing downstream symptoms, Mitoquinol helps preserve the stem cell population and supports the mitochondrial signalling that governs whether a stem cell renews, differentiates or declines.
The science is substantial: more than 900 peer-reviewed papers, over 25 clinical trials, and approximately $60 million in independent research funding from institutions including Harvard, UCLA and Cambridge support its mechanisms and applications.
5. Protect Your Circadian Rhythm
The circadian clock orchestrates the timing of cellular repair, mitochondrial dynamics and the metabolic switching that stem cells depend on. When these rhythms are disrupted through irregular sleep, shift work or chronic jet lag, both mitochondrial and stem cell function suffer measurably. Consistent sleep and wake times, morning light exposure, minimised blue light in the evening, and eating within a daylight-aligned window are direct inputs into the biological systems that maintain your stem cell health over time.
6. Align Your Nutrition
Mitochondria have specific nutritional requirements that directly influence stem cell health. PQQ is one of the few compounds with human evidence supporting its ability to stimulate mitochondrial biogenesis. Alpha-lipoic acid supports the Krebs cycle as both a metabolic cofactor and antioxidant. Magnesium is essential for ATP synthesis. B vitamins are foundational for mitochondrial energy metabolism. Equally important is what you avoid: excessive refined sugar, alcohol and ultra-processed foods increase oxidative stress and burden mitochondria with metabolic waste. accelerating the cellular ageing that depletes your stem cell reserve.
About Greg Macpherson
Greg Macpherson is a renowned futurist, biotechnologist, pharmacologist, and author who founded SRW Laboratories, a research-led nutraceutical company that focuses on translating longevity science into practical applications. They have just released a new SRW Black range that powers mitochondria.
Greg has spent more than a decade researching ageing at a cellular level, focusing on why lifespan continues to rise while healthspan, the years we live free from disease, decline and chronic fatigue, has not kept pace.
His work explores the biological drivers of ageing across multiple systems in the body, including mitochondrial function, inflammation, cellular repair and metabolic resilience. Through this research, he has identified key hallmarks of ageing that may be measurable, modifiable and, in some cases, reversible, shifting longevity science from theory into intervention.
by Greg Macpherson, founder of SRW Laboratories
