Mar 23 • Home Remedies
MEDICINE MONDAY 🌿
One mineral. Six problems. And there's a 50% chance you're deficient right now.
Today: Magnesium.
If you just finished the Cortisol Cure Challenge — congratulations. You now understand more about what's driving your blood pressure, your belly fat, and your sleep than most people will learn in a lifetime of doctor visits.
But here's what I didn't have room to go deep on during the challenge: the single most deficient mineral in the American diet — and one of the most critical for everything we just spent 7 days working on.
Magnesium is involved in over 300 biochemical processes in your body. THREE HUNDRED. And roughly 50% of Americans over 60 are not getting enough of it. Not even close.
Here's what low magnesium actually does to you:
→ Raises blood pressure. Magnesium relaxes the smooth muscle in your blood vessel walls. Without enough of it, your vessels stay constricted. A 2016 meta-analysis of 34 clinical trials published in Hypertension found that magnesium supplementation significantly reduced both systolic and diastolic blood pressure. That's not one study. That's 34 studies saying the same thing.
→ Raises cortisol. Magnesium regulates the HPA axis — the exact system we spent 7 days learning about. When magnesium is low, your body over-produces cortisol in response to stress. You literally cannot calm your stress response down without adequate magnesium. It's the brake pedal. And yours is low.
→ Destroys sleep. Magnesium activates your parasympathetic nervous system — the "rest and digest" side. It also regulates melatonin. Low magnesium = your body can't downshift at night. That 2am wake-up we talked about in the challenge? Magnesium deficiency makes it worse.
→ Increases inflammation. Low magnesium elevates C-reactive protein and other inflammatory markers. Chronic inflammation + high cortisol + high blood pressure = the exact trifecta that leads to cardiovascular events.
→ Worsens insulin resistance. Your body needs magnesium to process glucose properly. Without it, blood sugar dysregulation accelerates — which feeds cortisol — which feeds blood pressure. It's a loop.
→ Triggers muscle cramps, restless legs, and eye twitches. These are the warning signs your body sends FIRST. Most people ignore them or blame aging.
So why is everyone deficient?
Two reasons. First, modern soil is depleted. The magnesium content in fruits and vegetables has dropped significantly over the last 50 years. The food your grandparents ate had more magnesium than the same food you're buying at the grocery store today.
Second — and this is the one nobody talks about — stress BURNS magnesium. Every time your body produces cortisol, it uses magnesium to do it. Decades of chronic stress have been draining your reserves faster than your diet can replace them.
High stress → burns magnesium → low magnesium → more cortisol → more stress → burns more magnesium.
That's not a bad week. That's a 20-year cycle.
Now here's what you need to know about forms:
Not all magnesium is the same. The cheap stuff at the drugstore — magnesium oxide — has about 4% absorption. You're basically paying to make expensive urine.
Here's what actually works:
→ Magnesium glycinate — best for sleep, anxiety, and cortisol. Highly absorbable. Gentle on the stomach. This is the one I recommend most for what we've been working on.
→ Magnesium taurate — best for cardiovascular health and blood pressure. Taurine + magnesium together support heart rhythm and vessel relaxation.
→ Magnesium threonate — the only form shown to cross the blood-brain barrier. Best for brain fog, memory, and cognitive function. If you're over 60 and your thinking feels slower than it used to, this is the one to research.
→ Magnesium citrate — decent absorption but primarily used for bowel regularity. If constipation is an issue, this one does double duty.
Dosing: 200-400mg daily of elemental magnesium. Start with 200mg at night (glycinate) and see how your sleep responds. You can split doses morning and evening if you want to stack forms.
The best time to take it? 30-60 minutes before bed. Pair it with the sleep protocol from Day 6 of the Cortisol Cure and watch what happens.
Important: If you have kidney disease or are on heart rhythm medications, talk to your provider before supplementing. Magnesium is safe for most people, but these are the exceptions. AND not INSTEAD OF — always.
If the Cortisol Cure opened your eyes, think of magnesium as the foundation underneath everything you just built. You cannot fully calm cortisol, fix sleep, or lower blood pressure naturally without addressing this deficiency first.
Drop below: Have you ever been told your magnesium was low? Are you supplementing? If so — what form are you taking? Let's find out how many of us are running on empty. 👇
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MEDICINE MONDAY 🌿
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