From the Desk of Carolyn Dean MD ND
The HPA Axis, Adrenal Exhaustion, and the Mineral Men Need to Break the Stress Cycle
I think it’s an important reminder that men don’t exist in isolation. You show up as a husband, father, son, friend, coworker, mentor, or caregiver. But it’s difficult to support anyone else when your own nervous system is running in emergency mode 24 hours a day.
Many men have become so accustomed to stress that they no longer recognize it as stress. They assume the fatigue, irritability, poor sleep, brain fog, muscle tension, low motivation, and declining resilience are simply part of getting older. They push through another day, drink another coffee, squeeze in another workout, and tell themselves they’ll slow down later.
But what if the problem isn’t a lack of discipline, motivation, or mental toughness?
In Total Body ReSet for Men, I explain that chronic stress creates a biological drain on the body that affects far more than mood. It impacts heart health, hormone balance, sleep quality, cognitive performance, sexual health, and longevity. At the center of this conversation is a relationship that most men have never heard about: the connection between chronic stress, magnesium depletion, the adrenal glands, and the nervous system.
Understanding that connection may completely change how you think about stress and recovery.
The Chronic Stress Loop Most Men Don’t Know They’re In
One of the most important questions I ask in Total Body ReSet for Men is this:
“How do we go from being a calm person in control of our nervous system to an anxious, fearful individual?”
My answer is surprisingly simple. I believe it often begins with a gradual but chronic decrease in magnesium reserves.
When a stressful event occurs, the body immediately mobilizes magnesium. Magnesium acts as one of the body’s first-line buffering systems, helping create a state of calm alertness. It helps prevent the nervous system from becoming overly reactive while allowing us to respond appropriately to challenges.
This works beautifully when stress is temporary.
The problem is that modern stress is rarely temporary.
Financial concerns, work pressure, poor sleep, family responsibilities, constant notifications, information overload, environmental toxins, and inflammatory diets create a steady stream of stress signals that the body was never designed to handle continuously.
As a result, magnesium reserves become depleted.
When that happens, the next stressor is no longer buffered by adequate mineral stores. Instead, adrenaline drives the response. Heart rate increases. Blood pressure rises. Muscles tighten. The mind becomes hypervigilant. Sleep becomes lighter and less restorative.
The transition is gradual, which is why most men don’t notice it happening.
One day you’re resilient and adaptable. Then you’re reacting to every inconvenience as though it’s an emergency.
The nervous system has shifted from responsive to reactive.
The HPA Axis: How Chronic Stress Hijacks Your Body’s Command Center
Most people have never heard of the HPA axis, yet it influences almost every aspect of how the body responds to stress — including the cycle of chronic stress and magnesium depletion.
HPA stands for:
- Hypothalamus
- Pituitary gland
- Adrenal glands
Together, these structures form the body’s central stress-response system.
Think of the HPA axis as your internal command center. When stress occurs, signals travel from the brain to the adrenal glands, which then produce stress hormones designed to help you survive and adapt.
The system is remarkably sophisticated. It’s supposed to activate when needed and then return to baseline once the threat has passed.
Magnesium plays a crucial role in helping that happen.
One study discussed in Total Body ReSet for Men, titled
“Magnesium Deficiency Induces Anxiety and HPA Axis Dysregulation,” found that magnesium restriction resulted in elevated levels of ACTH, a hormone involved in activating the stress response, along with increased anxiety-related behaviors.
My reaction when reading studies like this is often the same:
“Why on earth didn’t they just give magnesium to the poor mice?”
Instead, researchers frequently observe the consequences of deficiency and then look for pharmaceutical solutions to address the symptoms.
What interests me is the root cause.
When magnesium levels are inadequate, the HPA axis becomes less efficient at regulating itself. The body’s ability to recover from stress weakens. Instead of switching off after a challenge has passed, the stress response remains activated longer than it should.
For many men, that becomes a way of life.
What the Adrenal Glands Actually Do — And Why Men Need to Pay Attention
The adrenal glands are often discussed as though their only job is producing stress hormones. In reality, they are a central piece of the chronic stress and magnesium depletion puzzle in men — and they influence far more aspects of health than most people realize.
In my work, I’ve highlighted seven major functions supported by healthy adrenal activity:
- Metabolism
- Blood sugar regulation
- Blood pressure regulation
- Salt balance
- Water balance
- Sexual development
- Sex hormone balance, including testosterone
When adrenal function becomes compromised by chronic stress and mineral depletion, the symptoms can be surprisingly broad.
In Total Body ReSet for Men, I describe adrenal exhaustion as a syndrome that can include:
- Anxiety
- Depression
- Muscle weakness
- Fatigue
- Eye twitches
- Insomnia
- Apathy
- Apprehension
- Poor memory
- Confusion
- Anger
- Nervousness
- Rapid pulse
So as you read through that list, how many sound familiar?
Many men assume these symptoms are unrelated. They treat fatigue as one problem, poor sleep as another, irritability as a personality issue, and declining focus as an inevitable consequence of aging.
In reality, though, they’re often connected by the same underlying stress physiology.
The pioneering stress researcher Dr. Hans Selye demonstrated decades ago that magnesium becomes depleted as stress shifts from acute to chronic. Both short-term stress hormones and long-term stress hormones contribute to the problem.
The longer the stress continues, the deeper the depletion becomes.
How the Fight-or-Flight Cascade Drains Your Magnesium and Amplifies Stress
Every adrenaline surge requires magnesium.
Every cortisol spike depletes magnesium.
As I often say, it’s a Catch-22.
The more stress you experience, the more magnesium you use. The less magnesium you have available, the more exaggerated your stress response becomes.
Importantly, this affects far more than mood.
In Total Body ReSet for Men, I discuss how chronic stress impacts sexual health as well. Under stress, blood flow is redirected toward the muscles involved in survival and away from systems that are not immediately necessary.
From a biological perspective, survival always takes precedence over reproduction.
This isn’t a personal failure. It isn’t a lack of masculinity. It’s physiology.
The same stress patterns that contribute to anxiety, poor sleep, fatigue, and brain fog can also influence vascular function, hormone balance, and sexual health.
When men understand this, they often stop blaming themselves and start recognizing the importance of supporting the body’s underlying systems.
GABA: The Brain’s Natural Brake Pedal — Powered by Magnesium
If stress hormones act as the accelerator, GABA acts as the brake.
GABA is the primary inhibitory neurotransmitter in the central nervous system. Its job is to help quiet excessive brain activity and promote a state of relaxation.
Healthy GABA activity helps support:
- Calmness
- Focus
- Stress resilience
- Restorative sleep
- Emotional balance
What many people don’t realize is that magnesium is essential for healthy GABA receptor function.
In Total Body ReSet for Men, I explain that activation of GABA receptors favors sleep and helps the nervous system shift from fight-or-flight into rest-and-recovery mode.
Without adequate magnesium for men experiencing chronic stress, that transition becomes more difficult.
Many men describe feeling “tired but wired.” They are exhausted physically but unable to fully relax mentally. Their nervous system is pressing the accelerator while struggling to engage the brake.
That’s why understanding this dynamic helps explain why simply telling yourself to relax rarely works.
The nervous system requires the nutritional resources necessary to support relaxation.
Men’s Health Month Protocol: Practical Steps to Support Your Nervous System
One reason I share my own daily practices publicly is because I believe health advice should be practical and realistic.
The goal is not perfection. The goal is supporting the body’s natural ability to recover.
In Total Body ReSet for Men, my foundational protocol includes:
- Picometer magnesium
- Whole-food vitamin C
- Vitamin C Berry Powder
- Picometer multiminerals
- Omega-3 fatty acids (EPA and DHA)
- Methylated B vitamins with L-Methionine and L-Taurine
- A soil-based probiotic that includes Saccharomyces boulardii
I’ve found that magnesium and vitamin C are the building blocks of the adrenals.
Beyond supplementation, I strongly encourage movement as a stress-recovery tool.
Walking, swimming, biking, yoga, and Pilates can all help discharge accumulated stress and support nervous system regulation. The key is consistency rather than intensity.
I also recommend simple restorative practices such as:
- Prayer
- Meditation
- Journal writing
- Long baths
- Emotional Freedom Techniques (EFT)
Hydration is another often-overlooked factor. In Total Body ReSet for Men, I suggest aiming for approximately half your body weight in pounds as ounces of water daily, while ensuring adequate mineral intake to support hydration at the cellular level.
This Men’s Health Month, I also encourage men to explore community-based resources such as the work being done by HeadsUpGuys and its Step Up for Him campaign. Sometimes the strongest thing a man can do is acknowledge that he needs support and take action.
Your Nervous System Is Not Broken — It May Just Be Depleted
The truth is, the modern world places extraordinary demands on men.
Many have spent years functioning in a state of chronic stress, assuming that exhaustion, irritability, poor sleep, anxiety, and declining resilience are simply part of life.
I don’t believe that’s true.
The body has an extraordinary capacity to recover when it receives the raw materials it needs.
Of course, that doesn’t mean stress disappears. It means your ability to respond to stress changes.
When you support your nervous system with proper nutrition, adequate minerals, restorative sleep, hydration, movement, and healthy recovery practices, you’re giving your body an opportunity to do what it was designed to do.
Your nervous system is not broken.
It may simply be depleted.
And rebuilding that foundation may be one of the most important investments you make in your health, your relationships, and your future.
This content is for educational purposes only and discusses nutritional and lifestyle support for normal structure and function of the body. It is not intended to diagnose, treat, or cure disease. Consult a qualified healthcare professional for personal medical guidance.
