What actually happens when real people take the Cel System, a daily “healthy aging” supplement, for an entire year? That’s exactly what researchers explored in a new peer-reviewed study published in Aging. In a recent episode of my podcast, Causes or Cures, I sat down with Dr. Varun Dwaraka of TruDiagnostic to unpack the results of a 12-month clinical study of the Cel System, tested in adults aged 54 to 84.
The Cel System is marketed as a “healthy aging” protocol, but beyond the marketing, this study looked at whether it could make a measurable difference in biological age, sometimes called epigenetic age, as assessed by DNA methylation tests. These tests don’t measure your birthday years; they estimate how “old” your body’s systems appear at the cellular level.
Why Was the Cel System Developed?
The Cel System was designed with the goal of supporting cellular health, potentially slowing or even reversing markers of biological aging. In theory, this could translate into better long-term health outcomes, but the science behind “reversing aging” is complex and often misunderstood.
How Was the Cel System Study Designed?
- Participants: Adults aged 54–84
- Duration: 12 months
- Checkpoints: Regular testing and follow-ups to track changes over time
- Measurements: Several “biological clocks” were used to estimate age, including system-specific measures (like immune system age)
Dr. Dwaraka explained why it’s important to use multiple clocks: different biological clocks can give different readings, and understanding why they differ is crucial to interpreting results.
What Did the Cel System Study Find After 12 Months?
The study reported a reduction in biological age in many participants based on certain epigenetic clocks. In some cases, the apparent age of specific body systems, like the immune system,improved as well.
However, results varied. Some participants saw more dramatic changes than others, and not every clock agreed. This highlights a big takeaway: biological age is not a single, definitive number, and no one test captures the full complexity of aging.
What Do the Results Mean for Slowing Aging?
The findings are promising, but they don’t prove that the Cel System slows aging in a way that guarantees longer or healthier life. Biological age testing is still an evolving field, and results need to be replicated in larger, more diverse studies.
The Caveats
The study was relatively small.
Biological clocks aren’t perfect—different models can give different answers.
Lifestyle factors outside the supplement could have influenced results.
The Bottom Line on the Cel System
If you’re curious about “reversing” biological age, the Cel System study offers an intriguing data point—but it’s not the final word. For now, it’s wise to approach any anti-aging claim with healthy skepticism and look for independent, peer-reviewed research before spending a ton of money.
🎧 Listen to the full Causes or Cures interview with Dr. Varun Dwaraka for a deep dive into the science, the hype, his take, my take, and what smarter, next-gen studies could look like.
🧪 Read the peer-reviewed study in Aging: Full text here
Speaking of longevity and resilience, check out the interview I did with researchers who looked into what burnout does to your brain. Hint: It’s not pretty!
Also, if you are interested in how to eat healthy for long-term heart health, check out the podcast I did with cardiologist and nutrition guru Dr. Kim Williams. The focus is on plant-based menu options, and how they can “dupe” us into thinking they are healthy, but there are SO MANY nutritional gems sprinkled throughout the podcast, I encourage you ALL to listen! Well worth your time, trust me!
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In addition the podcast on the Cel System, definitely scroll through other episodes- I bet you’ll find something that intrigues you! ;)