Gladden Longevity

Gladden Longevity Board-certified longevity physician helping you perform like you're 30 when you're 100. Peptides | Hormones | NAD+ | Cellular Health | Dallas, TX

**"It's hell to get old."**

My grandmother told me that for years. And as a heart doctor, I watched it happen to my patients every day. But I refused to accept it. After 25 years as a board-certified interventional cardiologist and co-founder of The Heart Hospital Baylor Scott & White, I left traditional medicine to focus on one question: **How good can we be?**

That question led me to start **G

ladden Longevity** in Dallas, Texas. Now I help people stay young for a lifetime using cutting-edge longevity science.

**What we do:**
🧬 Peptide Therapy – Regenerate tissue and boost performance
⚡ Hormone Optimization – Restore energy, clarity, and vitality
🔬 NAD+ Protocols – Boost cellular energy and DNA repair
💪 Cellular Health – Reverse aging at the root cause

**My mission:**
Make 100 the new 30. Help people perform like they're 30 when they're 100. I'm living proof it works. I'm surfing, mountain biking, and snowboarding better than I did 20 years ago. If you're done accepting "normal aging" and ready to stay young for a lifetime, you're in the right place.

đź“Ť Dallas, TX | Serving clients worldwide
đź“š Author of *100 Is the New 30*
đź”— [https://gladdenlongevity.com](https://gladdenlongevity.com/)
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06/05/2026

You didn’t lose your edge overnight. It was a slow fade.

The recovery stretched longer. The drive softened. The sharpness blurred. You chalked it up to stress, to age, to “just how your 40s and 50s feel.”

So you get your testosterone checked. The number comes back “normal.” But you still feel off, and nobody can tell you why.

Here’s what they didn’t test.

Standard physicals check Total Testosterone. One number. Compared to a range that includes everyone from a 20-year-old athlete to a 75-year-old on the decline. If you land anywhere inside that window, you’re told you’re fine.

But total testosterone tells you almost nothing about what your body can actually use. You need two markers most panels leave out entirely:

🛑 SHBG (S*x Hormone Binding Globulin) This protein binds to your testosterone and locks it up. As men age, SHBG climbs steadily, trapping more and more of your testosterone even if the total number looks decent on paper. High SHBG is one of the most common reasons men feel terrible while their labs say “normal.”

⚡ Free Testosterone The unbound fraction. The testosterone that actually enters your cells, fuels your brain, builds muscle, drives libido, and regulates your energy. This is the number that reflects how you actually feel. Almost no standard physical measures it.

In conventional medicine, “normal” means you’re not flagged as clinically low. That bar is on the floor. At the optimization stage, we push Free T into the upper range, manage SHBG so your testosterone is actually bioavailable, and map the full metabolic cascade to make sure your hormones are converting down safe pathways.

The slow fade is not inevitable. It’s a signal that the deeper picture has never been measured.

Comment START26 and I’ll send you the roadmap for how we test, deconstruct, and optimize male hormones at Gladden Longevity.

06/04/2026

Heating food in plastic. That’s it. That’s the one thing.

And before you dismiss it as something you already know you should stop doing, consider what the data actually shows now.

Microplastics are no longer a theoretical concern.

They’ve been detected in human blood, breast milk, placental tissue, and brain tissue.

They are physically present inside the body, and the people with the highest concentrations share a common pattern of daily plastic heat exposure through containers, wraps, and lids that most kitchens depend on.

What makes this different from other toxins is the endocrine disruption. Microplastics carry compounds that mimic estrogen and suppress testosterone production at levels low enough that you won’t notice it happening in real time.

You’ll notice the downstream effects.

The fatigue that creeps in over years.
The body composition shift that doesn’t respond to training the way it used to.
The inflammation markers that climb on bloodwork while every other variable in your life looks clean.

This is what I call endocrine creep. It doesn’t arrive as a crisis. It arrives as a slow erosion of function that gets attributed to aging because nobody traces it back to the daily exposure that’s actually driving it.

Your body has a system for clearing this kind of load. Phase one and phase two detoxification pathways in the liver convert toxins into forms the body can eliminate through urine, bile, and sweat.

But those pathways depend on specific molecular support to keep up with the volume of exposure most people are carrying. When the load exceeds the body’s capacity to process it, the inflammatory burden compounds quietly and the endocrine disruption accelerates.

The first step is reducing the exposure. Stop heating food in plastic. Use glass or ceramic. But the second and more important step is making sure your detox pathways can actually handle what’s already accumulated.

Comment H226 and I’ll send you the guide on the molecule your body needs to keep pace with the inflammatory load most people are quietly carrying.

06/03/2026

People always want to know what I actually take every day.

So here it is ↓
One red cup.
Made fresh, kept in the fridge, thick enough that I eat it with a spoon.
The foundation is fresh Mediterranean herbs blended into a smoothie with water. Basil, tarragon, rosemary, and summer savory.

Most people use these as garnish.

I use them as the centerpiece because of what they do to a molecule called RNOX.

After age 40, RNOX begins driving oxidative stress into the arterial wall, creating the kind of cellular damage that builds quietly for decades.

These specific herbs suppress that process.

The populations that eat them daily, across every major blue zone in the world, have cardiovascular function that defies their age. Researchers spent years thinking it was the red wine. It was the herbs on the table the whole time.

On top of that goes bok choy, kale, and Swiss chard. These are dense in dietary nitrate, which is the raw material your body converts into nitric oxide.

Nitric oxide is what signals your arteries to dilate. It drives blood flow, regulates blood pressure, and directly supports sexual function.

Without enough nitrate coming in through food, the whole system runs at a deficit regardless of what else you're doing.

A handful of berries for antioxidant and polyphenol support. A green banana for resistant starch, which feeds the microbiome without triggering a glucose spike. A squeeze of lemon. That's it.

This combination is designed to protect the glycocalyx, fuel nitric oxide production, and reduce the arterial oxidative stress that accelerates aging from the inside.

I also suspect it's having a measurable impact on proteinuria, something I've tracked since childhood kidney damage from a strep infection at age five. That data is still developing, but the early signals are worth watching.

Comment START26 and I'll send you a breakdown of the evaluation process, how the first 90 days are structured, and what it takes to build a protocol around your full biology.

06/03/2026

You tell people nothing is really wrong.

And on paper, you are right. The labs come back clean and your doctor nods you out the door.

But the focus that used to feel automatic now takes effort.

The word you want sits just out of reach in the meeting. The sharp recall you built a career on shows up a half step slow, and you filed all of it under turning 47.

Kelly spent 37 years in fitness and nutrition.

She ate clean, trained hard, and assumed the brain fog was just a busy mind.

Then she actually got tested, and the fog turned out to have a specific, measurable cause she had never been checked for.

Nothing on her standard panel had ever flagged it. Her ordinary Tuesday had been feeling it for years.

That is the part most people miss.

The slide in memory and focus starts moving long before it earns a name, and the brain you protect early is the brain that keeps its edge for decades.

Kelly thinks clearer and remembers more now.

The fog was never the price of getting older. It only stayed because no one looked for the cause.

If you want to know what actually drives the fade and how to catch it early, comment BRAIN26 below and I will send you the brain guide. 🧠

05/28/2026

For decades, women were told hormone therapy was a risk to manage.

But researchers are now asking a broader question:

What happens to the brain when hormone levels change after menopause?

University of Arizona researchers analyzed insurance claims from 379,352 women over an average of 5.1 years.

In this analysis, women who used hormone therapy were associated with up to a 58% lower risk of neurodegenerative disease, including Alzheimer’s and Parkinson’s, compared to women who used none.

The protective association was not uniform.

The strongest signals were seen with natural hormones like estradiol and progesterone, compared to some synthetic formulations.

Route mattered too.

Oral hormone therapy was associated with lower overall neurodegenerative disease risk, while transdermal therapy was associated specifically with lower dementia risk.

This is not just a hot flash conversation.

Estrogen is not only a reproductive hormone. It plays a role in brain metabolism, inflammation, and neuroprotective systems that may help keep the brain resilient with age.

When estrogen drops at menopause, researchers believe some of those support systems may change too.

For years, the HRT conversation has focused heavily on risk.

But the research is raising a more nuanced question:

Could hormone therapy play a role in long-term brain health for the right patient?

HRT is not one-size-fits-all. Timing, formulation, route, personal history, and risk factors all matter.

If you’ve only discussed hormone therapy for hot flashes, it may be worth asking your doctor whether it also belongs in a broader conversation about brain health, menopause, and your individual risk profile.





This is educational only and not medical advice. HRT is individualized and should be discussed with a qualified clinician who understands your health history.

05/22/2026

The sleep industry sold you sedation and called it rest.

Ambien, Xanax, and most sleep aids work by forcing unconsciousness, not by repairing the biological process your brain actually needs.

That distinction is destroying people’s cognitive health.

Natural sleep is a sequence.

Light sleep → REM → Deep slow-wave sleep.

Each stage performs a job the others can’t.

Sedatives chemically hijack that sequence.

When REM is suppressed, your brain loses the ability to move short-term memories into long-term storage.

When deep slow-wave sleep is suppressed, the glymphatic system (your brain’s internal waste-clearance network) never activates.

Toxic debris and amyloid plaques that built up during the day never get flushed.

Poor glymphatic drainage can increase your dementia risk by 30 percent.

The prescription:
It didn’t cure your insomnia. It masked a stressed nervous system while the damage compounded quietly.

Your brain doesn’t need to be knocked out. It needs the conditions to get there on its own.

Try this instead:
→ Melatonin as a circadian reset and master anti-inflammatory that protects brain mitochondria and keeps anti-aging stem cells alive

→ L-Theanine and Magnesium Threonate to block the excitatory pathways keeping you wired

→ Brainwave entrainment to guide your brain into the Delta waves required for deep, restorative sleep

What are you currently taking to sleep, and has it actually left you feeling rested?

05/21/2026

I was eating the cleanest diet of my life.

Fermented vegetables, kombucha, miso, sauerkraut, spinach.

The foods the wellness world calls superfoods. And I was more anxious and more depressed than I had ever been.

For years I assumed it was the stress. I was running a network of ten cardiology offices.

The pressure was real. But this anxiety was not situational. It was there when everything was calm. It was biological.

What gave me the answer was not another consultation. It was a genetic map.

When I sequenced my DNA, I found a homozygous mutation in my MTHFD1 gene, the enzyme responsible for the methylation cycle (the process your body uses to produce and regulate neurotransmitters like serotonin and dopamine).

My specific mutation meant my brain could not efficiently clear glutamate and histamine.

Those are highly excitatory compounds found in high concentrations in fermented foods, tomatoes, eggplant, and spinach.

Every meal I was building as an act of optimization was actively over-exciting my nervous system and starving my serotonin production.

The superfoods were the source.

I stopped the high-glutamate diet. I added targeted B-vitamins and SAMe to bypass the genetic block.

The anxiety stopped, the depression lifted, and my mind became razor-sharp.

As long as I stay consistent, it stays that way.

Generic nutrition advice is built for the average genome. Most people eating those foods will feel fine.

For a portion of the population, the methylation cycle is broken in a way that makes widely celebrated health foods actively harmful. The only way to know which category you are in is to look at your actual biology.

What I found in my own genome is one piece of what a complete biological deconstruction reveals.

On May 26 I’m hosting a live masterclass on what else it uncovers, specifically what your body has been signaling that nobody has ever looked at as a whole picture.

Comment BIO26 and I’ll send you the link.

05/21/2026

She was 18 years old with intermittent blindness, early MS, and blood work that told her doctors her metabolism was perfect.

Her fasting blood sugar was 88. Her A1C was 5.3. By every standard measure she was metabolically fine, so her doctors treated her for a neurological disease and moved on.

We ran a different test. Not a fasting panel. A 2-hour glucose tolerance test with an insulin curve, which tracks how your body responds to sugar in real time rather than how it behaves after a 12-hour fast.

Her fasting insulin was 13, which looked unremarkable. One hour after consuming glucose, it was 230. At the two-hour mark, it was still 220.

A healthy insulin response peaks around 65. Hers hit 230.

She had severe insulin resistance that had been completely invisible to every test her doctors ran. And that insulin resistance was not separate from her neurological symptoms. It was driving them.

92 percent of the population is not metabolically healthy. When your doctor tells you your labs are normal, they are grading you on a curve against a population that is already sick. Normal and healthy are not the same number. They have not been for a long time.

The test that changed everything for her is not on a standard panel.

Comment APPLY and I’ll send you the link to see what a complete biological assessment would look like for you.

05/19/2026

She was 55 years old and had never felt peace.

She had been told for 30 years that she had depression. She had the antidepressants, the therapy, decades of psychiatric care, and none of it had ever produced lasting relief.

She also had a wearable device that told her she was healthy. High heart rate variability, strong recovery scores. Her data looked like a well person, so she assumed the problem was just her brain.

When she came to our clinic, we ran a 10-channel biofeedback assessment, a clinical-grade test that maps the autonomic nervous system (the part of your nervous system governing heart rate, breathing, stress response, and recovery). What it found had nothing to do with depression.

Her HRV was high, but not in the way a healthy body produces it. Her heart rate had completely decoupled from her respiratory rate. The two systems had stopped communicating. What looks like resilience on a wearable can mask a nervous system in complete failure mode.

We traced it back to age 13. She had fallen on ice and cracked her head open. That traumatic brain injury had quietly taken her autonomic nervous system offline and locked her body into a state of chronic hypervigilance for 42 years. Nobody had ever connected the two.

We stopped treating her for depression. We started biofeedback to retrain her nervous system from the ground up.

After one of her early sessions, she turned to the clinician and said she felt something strange. She wanted to know if something was wrong.

The clinician told her nothing was wrong.

What she was feeling was relaxation. She had lived inside a body on fire for so long that peace had become unrecognizable.

Thirty years of the wrong answer.

On May 26 I’m hosting a live masterclass on what a complete biological deconstruction reveals about your body when someone finally looks at the whole picture instead of the pieces.

Comment BIO26 and I’ll send you the link.

05/14/2026

I was running a 10-office, 12-doctor cardiology group when my body started failing in ways I couldn’t explain.

I woke up depleted every morning. The weight kept climbing.

My father had died with dementia and I could feel myself moving toward it.

I got my labs done.

Everything came back normal.

My physician told me I was just getting older and suggested an antidepressant.

I walked away from the practice I’d built.

For two and a half years I deconstructed my own biology with tools my former field didn’t use.

I found a DIO2 genetic defect. DIO2 is the gene that converts inactive thyroid hormone into the active form your brain actually uses.

My levels looked fine on a standard panel. My brain was starving

Six months after addressing it, I lost 20 pounds of fat and added 10 pounds of muscle.

The fog lifted.

I’m 72 now and train at levels that compete with people half my age.

My labs were normal. The gap between normal and optimal was where my real biology lived.

On May 26 I’m hosting a live masterclass on what a complete biological deconstruction reveals.

Comment BIO26 and I’ll send you the link.

Address

200 O'Connor Ridge Boulevard Suite 100
Irving, TX
75038

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Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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+19723108916

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