we’re constantly testing supplements, speaking with experts, and keeping tabs on the newest ingredients promising to support how we age. From collagen peptides and NAD+ to spermidine, peptides, adaptogens, and creatine, wellness has officially entered its longevity era. Everyone seems to be searching for the thing that helps them feel sharper, stronger, more energized, and maybe just a little less affected by time.

But beyond the usual wellness buzzwords, one ingredient genuinely sparked our curiosity: Urolithin A.

Specifically, Timeline’s Mitopure®.

And honestly? The science alone got our attention.

Mitopure is Timeline’s highly researched proprietary form of Urolithin A, backed by more than 18 years of research, 25 human clinical trials, over 500 scientific studies, and 80 patents. In a space flooded with trendy wellness ingredients that often feel more marketing-driven than evidence-based, that level of clinical validation stood out immediately.

Because if there’s one thing we care about, it’s understanding how something actually works before adding it to our routines.

So, What Exactly Is Urolithin A?

Urolithin A is a compound your body can naturally produce when your gut microbiome breaks down compounds called ellagitannins, found in foods like pomegranates and berries. The catch? Most people don’t produce enough of it naturally for meaningful benefits.

That’s where Mitopure comes in.

Timeline developed Mitopure as a highly pure and bioavailable form of Urolithin A specifically designed to support mitochondrial health. And if mitochondria sound vaguely familiar from high school biology, here’s the refresher: they’re essentially the energy factories inside your cells.

As we age, those mitochondria become less efficient. Energy production slows down. Recovery feels harder. Muscle strength declines. Stamina drops. And many longevity researchers now believe mitochondrial decline plays a major role in how we physically age.

Mitopure works by supporting a process called mitophagy, which is essentially your body’s natural cellular cleanup system. Think of it like recycling old, dysfunctional mitochondria so healthier ones can function more efficiently.

It’s cellular housekeeping, but for longevity.

The Research That Made Us Pay Attention

One placebo-controlled human clinical trial found that adults taking 500mg of Urolithin A daily experienced improvements in muscle strength over four months without changing their exercise routine.*

That detail feels important.

Because while we’re absolutely advocates for movement, strength training, and healthy habits, there’s also something incredibly interesting about supporting the body at the cellular level, especially as recovery, energy, and endurance naturally shift with age.

It also lines up with a much bigger conversation currently happening in the longevity world around muscle health, energy production, and healthy aging overall.

On The Dr. Hyman Show, functional medicine leader Mark Hyman discussed how muscle and mitochondrial health are becoming increasingly important in conversations around longevity. He also shared that he personally incorporated Mitopure into his own wellness routine alongside strength training, protein intake, and creatine supplementation because of the growing research connecting Urolithin A to muscle strength, mitochondrial function, and healthy aging support.*

That same excitement around mitochondrial health is echoed by other leaders in the longevity and functional medicine space as well.

Dr. Darshan Shah, a board-certified surgeon and Founder & CEO of Next Health, known for his work in preventative health and longevity medicine, has called Urolithin A “a game changer,” noting that Mitopure is one of the most researched ingredients available for supporting mitochondrial health and helping open an entirely new category of nature-derived longevity compounds.

Meanwhile, Eric Verdin, a geroscientist and one of the world’s leading aging researchers, has described mitochondrial decline as one of the key hallmarks of aging and referred to Mitopure as one of the most promising compounds currently being studied in the field.

That’s ultimately what kept bringing us back to Timeline’s Mitopure. The ingredient itself is interesting, but the depth of research behind it makes it feel far more credible than the average wellness trend.

Our Experience Testing Timeline’s Mitopure

One thing we appreciated immediately? Timeline made the entire experience feel surprisingly approachable.

They offer Mitopure in three different formats including gummies, softgels, and powder, which honestly makes sticking with the supplement much easier depending on your routine and lifestyle. We tested all three versions over time, and each one had its own appeal.

The gummies quickly became our favorite for everyday consistency. They’re strawberry flavored, vegan, sugar-free, and genuinely enjoyable to take without tasting overly sweet or artificial. The softgels felt the easiest to incorporate into an existing supplement stack, while the berry powder blended well into smoothies and yogurt when we wanted something a bit more wellness-forward in the mornings.

And that consistency piece matters.

Longevity is a long game. This isn’t the kind of supplement designed to give you an immediate caffeine-like rush or overnight transformation. Mitopure works at the cellular level, which means the changes tend to feel gradual, cumulative, and more foundational over time.

That said, after several weeks of consistent use, we did start noticing subtle but meaningful shifts. Better sustained energy throughout the day due to an increase in cellular energy. Even during particularly stressful weeks, there was a noticeable difference in overall resilience.

The biggest thing? We simply felt less depleted.

And while some of those effects can feel subjective with any wellness routine, what kept us committed here was the science behind it. Timeline’s clinical research consistently points back to mitochondrial health, muscle strength*, and cellular renewal as the foundation of the formulation.

That’s what makes Mitopure feel different from many trending longevity supplements currently flooding the market. There’s an actual body of human clinical research supporting the ingredient, which gives the experience a level of credibility that feels increasingly rare in wellness right now.

Instead of chasing some unrealistic idea of “reversing aging,” Mitopure feels more aligned with supporting how you want to age in the first place: with better energy, stronger muscles , and more resilience over time.

The Bigger Longevity Conversation

What makes Mitopure interesting isn’t just the ingredient itself. It’s what it represents.

We’re entering an era where healthy aging conversations are becoming less about chasing youth and more about maintaining vitality. Energy. Strength*. 

And increasingly, researchers are realizing that mitochondria may sit at the center of that conversation.

Timeline’s approach feels particularly compelling because it’s grounded in rigorous research rather than wellness hype alone. In a category that can sometimes feel flooded with buzzwords, seeing decades of scientific investment behind a supplement genuinely matters.

Especially when the goal isn’t simply to live longer, but to feel better while doing it.

Shop Timeline’s Mitopure and learn more about the science behind Urolithin A here. 

*Timeline’s clinical study showed that sedentary, middle-aged adults with an average BMI of 29.52 increased hamstring muscle strength.

All material on The Chalkboard Mag is provided for educational purposes only. Always seek the advice of your physician or other qualified healthcare provider for any questions you have regarding a medical condition, and before undertaking any diet, exercise or other health-related programs. This story is brought to you in partnership with Timeline From time to time, TCM editors choose to partner with brands we believe in to bring our readers special offers