Jan 23 • General discussion
Adrenal Fatigue Friday
Good morning. First, I want to say that the U.S. is going to be hit with a major winter snow/ice storm. 100 million people are in the path of this storm. This morning in my state the headline reads "Potentially catastrophic ice storm" which usually means no electric/heat. So, everyone in the path of this storm, be prepared and safe. Now, on with the show 😂
This is long but so important. Read it to the end.
Your adrenals aren’t tired. They’re filing HR complaints.
People say “adrenal fatigue” because they’re trying to describe a very real sensation:
Clinically, this isn’t your adrenals giving up.
It’s your HPA axis - your Hypothalamic‑Pituitary‑Adrenal axis, downshifting after too much throttle for too long.
The Adrenal Glossary:
HPA Axis:
Hypothalamic–Pituitary–Adrenal Axis
The three‑part command chain that runs your stress response.
- Hypothalamus: The surveillance camera
- Pituitary: The middle manager
- Adrenals: The workers doing the actual labor
Clinical: Regulates cortisol rhythm, stress response, inflammation, blood sugar, and energy availability.
The group project where the adrenals do all the work and the brain takes all the credit.
ACTH:
Adrenocorticotropic Hormone
The pituitary’s message to the adrenals:
“Make cortisol. Now.”
- High ACTH = your brain is yelling
- Low ACTH = your brain is whispering or taking a nap
Clinical: Controls cortisol output. Helps determine whether the issue is adrenal or brain‑driven.
The hormonal equivalent of a Slack notification that never stops pinging.
Aldosterone:
The adrenal hormone that manages sodium, potassium, and blood pressure.
Clinical: Low aldosterone = low blood pressure, dizziness, salt cravings, dehydration that won’t quit.
The reason you can drink a gallon of water and still feel like a dried apricot.
DHEA = Dehydroepiandrosterone:
Your resilience hormone.
Clinical: Supports mood, energy, muscle repair, and stress tolerance. Often low in chronic stress.
The hormone that lets you handle life without crying in the grocery store parking lot. "I don't know why I'm crying."
Cortisol:
Your primary stress hormone.
Clinical: Regulates blood sugar, inflammation, energy, and circadian rhythm.
The hormone that wakes you up, keeps you alive, and occasionally ruins your afternoon.
HPT Axis:
Hypothalamic - Pituitary - Thyroid Axis
The thyroid’s version of the HPA axis.
Clinical: Works closely with the adrenals. Chronic stress slows thyroid conversion (T4 - T3).
The thyroid is the coworker who shuts down when the office gets too chaotic.
Sympathetic Nervous System (SNS):
Your “fight, flight, freeze, fawn” wiring.
Clinical: Increases heart rate, blood pressure, glucose.
The part of you that thinks every email is a threat.
Parasympathetic Nervous System (PNS):
Your “rest, digest, repair” wiring.
Clinical: Supports digestion, recovery, hormone balance.
The mode your body wants to be in but can’t find the password.
RAAS System:
Renin - Angiotensin - Aldosterone System
The hydration + blood pressure control system.
Clinical: Works with aldosterone to regulate fluid balance.
The internal plumbing department.
Circadian Rhythm:
Your 24‑hour hormonal schedule.
Clinical: Cortisol should peak in the morning and fall at night.
The internal clock that gets confused when you drink coffee at 6 AM and doomscroll at midnight.
Today we decode the pattern and the anatomy behind it.
1. Hypothalamus = The Surveillance Camera
Deep in your brain, constantly scanning for danger, blood sugar drops, inflammation, and whether you slept like a raccoon in a dumpster.
This is the first step of the HPA axis.
Clinical: It decides whether to speed you up or slow you down.
The part of your brain that panics when you open your inbox.
2. Pituitary = The Middle Manager
A pea-sized gland behind your eyes. It releases ACTH (Adrenocorticotropic Hormone), the message that tells your adrenals how hard to work.
Clinical:
- High ACTH = your brain is yelling
- Low ACTH = your brain is intentionally slowing the system down
ACTH is the hormonal equivalent of a Slack notification that never stops pinging.
3. Adrenal Glands = The Overworked Interns
Two walnut-sized glands sitting on top of your kidneys like stressed-out berets.
They produce cortisol, aldosterone, and DHEA.
Clinical:
- Cortisol = energy availability
- Aldosterone = sodium + blood pressure
- DHEA = resilience + repair
They don’t “fatigue.” They get micromanaged into submission.
4. Kidneys = The Hydration Police
Aldosterone works with your kidneys to regulate sodium, potassium, and blood pressure.
Clinical: Low aldosterone = dizziness, salt cravings, “I stood up and saw God” moments.
The reason you can drink a gallon of water and still feel like a dried apricot.
5. Nervous System Wiring - The Overactive Group Chat
Your sympathetic chain (fight/flight) and vagus nerve (rest/digest) decide how much “danger” your body perceives.
Clinical: Chronic activation = chronic cortisol demand.
The group chat that never sleeps.
THE CLINICAL PATTERN PEOPLE CALL “ADRENAL FATIGUE”
Flattened Cortisol Curve
Morning cortisol is like: “You’re on your own.”
Evening cortisol is like: “Let’s revisit every mistake you’ve ever made.”
Low DHEA
Your resilience hormone drops.
Suddenly, a mildly inconvenient email feels like a federal emergency.
Low Aldosterone
Blood pressure so low you could qualify as a fainting Victorian heroine.
Blood Sugar Instability
Cortisol is a glucose hormone.
When it’s dysregulated, you get:
- hangry episodes
- 2–3 AM wakeups
- afternoon crashes
- “Why am I crying in the Costco parking lot” moments
Nervous System Overdrive
Your body is stuck in “protective mode,” not “productive mode.”
LAB PATTERNS THAT MATCH THE EXPERIENCE
Showing the physiology:
- Low morning cortisol
- Low DHEA-S
- Low-normal sodium
- Low CO₂ on CMP
- Elevated fasting glucose with normal A1c
- High CRP or ferritin
- Orthostatic drops in blood pressure
Translation: Your body isn’t weak. It’s compensating.
WHAT HELPS (CLINICAL + DOABLE + NOT BORING)
If you’re in the “I can’t get going” phase:
- Eat within 60 minutes of waking
- Electrolytes (especially sodium)
- Protein at breakfast
- Morning light exposure
- Gentle movement
- Magnesium-rich foods
If you’re in the “wired-but-tired” phase:
- Food before caffeine
- Slow exhales before tasks
- Reduce high-intensity workouts
- Add protein + fat to stabilize glucose
- Magnesium-rich foods with lunch
- Earlier bedtime window
Let's recap:
What It Looks Like in Real Life
- You wake up tired even after sleep
- You crash at 2–4 PM
- You get wired at night
- You crave salt or sugar
- You feel overwhelmed by small things
- You rely on caffeine to function
- You get dizzy when you stand up
- You can’t regulate your mood or energy
This isn’t random. It’s a pattern. And we can fix it.
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Adrenal Fatigue Friday
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What happens when your body begins to fail, and no one can tell you why? What happens when you're sick & your doctor tells you everything is normal?
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