In partnership with

From the desk of Dr. Kevin, MD

“If your magnesium supplement doubles as a colonoscopy prep, you bought the wrong one.”

Your Brain Might Not Be “Stressed.” It Might Just Be Magnesium-Starved.

Hey-oh Scalpelheads!

You know what’s funny?

People spending $78 on “cortisol-balancing adaptogenic supplement” while surviving on two coffees, four hours of sleep, and a magnesium intake equivalent to licking a drywall screw once a week.

Meanwhile their nervous system is running like a high jellyfish.

Here’s the problem nobody explains properly: most people think magnesium deficiency looks dramatic. Like seizures, heart arrhythmias, or getting invited to a Diddy party.

But magnesium deficiency usually shows up as modern life. #MagnesiumRules #ThugLife

We’re talking:

  • Anxiety.

  • Jaw clenching.

  • Racing thoughts at 2:13 AM.

  • Eye twitching.

  • Muscle cramps.

  • Heart palpitations.

  • Restless legs.

  • Feeling exhausted but somehow mentally doing parkour at bedtime.

And then people say:
“Maybe I just have anxiety.”

Maybe.

Or…stay with me

Maybe your neurons are screaming because they lost their damn chemical brake.

The Unknown Magnesium Scam

Flip over almost any magnesium bottle and you’ll see doses around 350–420 mg.

Sounds official. Scientific. Sexy. Responsible.

Except those numbers were never designed to optimize your sleep, brain function, stress resilience, or muscle recovery.

They were designed to prevent severe deficiency disease.

That’s it.

The nutritional equivalent of:
“Hurray! You probably won’t medically collapse today.”

The RDA was built around “healthy individuals.” Healthy people without insomnia, chronic stress, caffeine addiction, ultra-processed diets, or a nervous system held together by motivational podcasts and pure denial.

Modern humans burn through magnesium like SpaceX rockets. Because:

  • Stress increases magnesium demand.

  • Caffeine increases magnesium loss.

  • Sugar increases magnesium loss.

  • Exercise increases magnesium demand.

  • Poor sleep increases magnesium demand.

And what do most people do when magnesium doesn’t instantly “work”?

They take one capsule for six days and declare supplements fake.

That’s like watering a forest fire with diarrhea.

- Eew you’re gross, Kevin…

I know…anyways…

Magnesium Oxide: The Dumpster Fire Supplement

Now let’s discuss the form most companies love selling: magnesium oxide.

Why do supplement companies love it?

Because it’s cheap AF.

That’s literally the romance story.

Magnesium oxide has terrible absorption. Around 4% in some estimates.

Meaning a “400 mg” capsule may deliver very little usable magnesium while the rest storms your intestines like a biological SWAT team. (You didn’t expect another diarrhea joke, huh?)

That’s why people take magnesium oxide and suddenly spend 45 minutes fighting for their life in a public restroom.

If your magnesium supplement doubles as a colonoscopy prep, you bought the wrong one.

Magnesium glycinate tends to be far better tolerated and better absorbed. The glycinate component may also support calming neurotransmitter activity, particularly through GABA-related pathways.

Which brings us to the brain.

Your Brain Has a Gas Pedal and a Brake

Your nervous system constantly balances excitation and relaxation.

Glutamate is basically the gas pedal. It excites neurons and keeps your brain alert and focused.

GABA is the brake pedal. It helps calm the system down so you can relax and sleep like a baby.

Magnesium acts like the exhausted traffic cop trying to stop glutamate from turning your brain into Times Square during rush hour.

When magnesium levels are low, that “off switch” struggles.

So what the F happens?

Your body feels tired.

But your brain feels like it just snorted pre-workout powder off a kettlebell.

That’s why magnesium deficiency symptoms can mimic high cortisol almost perfectly:

  • Anxiety

  • Irritability

  • Insomnia

  • Palpitations

  • Muscle tension

  • Cravings

  • Restlessness

Except sometimes the issue isn’t “stress hormones.”

Sometimes your nervous system simply lacks the raw materials to calm itself down.

Here’s the Weird Part

Testing magnesium is incredibly annoying medically.

Only about 1% of magnesium sits in the blood. Most of it is inside cells and tissues.

So someone can have “normal” blood magnesium while their tissues are basically operating like a dying phone battery at 2%.

Which explains why many people feel awful despite “normal labs.”

Medicine loves normal labs.

Your mitochondria meanwhile are in the corner screaming.

So What Should I Actually Take Away From This, Dr. Kevin?

No, this is not medical advice to start swallowing magnesium by the shovel, because I attached a demographic of what happens if you take too much Magnesium too.

High doses can absolutely cause problems, especially in people with kidney disease or certain medical conditions.

But the bigger lesson is this:

The bare minimum required to avoid deficiency is not always the same as the amount needed for optimal function.

That applies to sleep. Nutrition. Recovery. Stress. Pretty much everything in modern health.

And honestly?

If your body is giving you constant signals that something feels “off,” maybe the solution isn’t always another Youtube hack, another energy drink, or another wellness influencer selling powdered enlightenment.

Maybe your nervous system is just begging for minerals and a good old nap.

Now your homework:

Reply back and tell me:

Have you ever taken magnesium and actually noticed a difference… or did it just turn your intestines into a Slip ’N Slide?

P.S. Okay gang… your weekly free guide, until you eventually beg me to stop giving them for free. (it’s always gonna be free 😎).

No opt-in required (Download Here)

Login or Subscribe to participate

One Mascara. Six Shades. Zero Smudge.

If most mascara’s fail to hit the mark… you need PrimeLash.

It’s a tubing mascara made for 50+ lashes, so it lifts and defines even the tiniest hairs… without flakes, clumps, or raccoon eyes.

Choose your mood: soft brown, classic black, jewel tones like Emerald, and statement shades like Burgundy plus Mulberry.

The best part? It wears all day, then rinses off with warm water. No tugging, no drama.

Ready to find your shade and get 3x longer lashes?

Keep Reading