Dr. Eric Berg Profile picture
Jan 9 18 tweets 6 min read Read on X
What Happens When Your Body Is Severely Vitamin D Deficient?

These 12 bizarre symptoms might shock you.

You May Never Skip Your Vitamin D Again After Reading This:

1/ Your head starts sweating uncontrollably... 🧵 (THREAD) Image
Strange, but true.

This bizarre symptom shows up in infants, teenagers, and adults. Excessive head sweating is a red flag, especially in children.

But why?
First, 25,000 genes exist in your body.

10% are directly controlled by vitamin D. Your blood tests only show inactive vitamin D — not what's happening in your cells...
When Dr. Hollis presented his findings to top vitamin D researchers, he was attacked for his conclusions.

Why? Because effective vitamin D treatment directly competes with the top-selling drugs on the market.

Here are 10 more vitamin D deficiency symptoms you should know:
2/ Your sleep gets destroyed by night sweats.

You wake up with a soaked pillow despite cool temperatures.

Vitamin D deficiency triggers an overactive immune response, disrupting your body's temperature control center:
3/ Your emotions become a rollercoaster.

Vitamin D directly controls your emotional regulation through complex brain pathways.

Adequate vitamin D levels help protect neurons and reduce inflammation, which can otherwise exacerbate mood disorders.
4/ When you're vitamin D deficient, you run the risk of a dysfunctional immune system.

This may cause symptoms like:

• Autoimmune Reactions
• Recurrent Infections
• Chronic Fatigue
• Inflammation

Here's why:
5/ Your motivation vanishes completely.

Tasks pile up. Everything feels overwhelming.

This isn't laziness — it's your brain's motivation center malfunctioning without vitamin D.
6/ Panic attacks strike unexpectedly.

These aren't just anxiety episodes. Your brain's fear center is malfunctioning from a lack of vitamin D, disrupting crucial serotonin pathways.
7/ A deep ache sets into your bones.

Not sharp pain, but a deep internal ache — especially in your:

• Hips
• Pelvis
• Upper legs
• Lower back

This is osteomalacia beginning — your bones literally softening. Here's how it works:
8/ Your muscles start failing you.

Without vitamin D, calcium can't enter your muscle cells properly.

The result? Progressive weakness, especially in the legs and shoulders. Your muscles physically can't contract.
9/ Your joints become stiff.

Stiffness takes over your knees and fingers as vitamin D is crucial for cartilage and collagen.

10/ Fatigue becomes your new normal.

Your cellular energy factories (mitochondria) are dying. Old viruses can reactivate, draining you further. Image
11/ Your brain feels like it's in a fog.

Decision-making becomes impossible. Focus vanishes.

12/ You can't stop eating yet never feel satisfied.

Without vitamin D, nutrients can't properly enter your cells, leaving you constantly craving more.
How much vitamin D do you need?

40 minutes of sun gives you 20,000 IU of vitamin D3.

For different deficiencies, try:

- 10,000-20,000 IU for general deficiency.
- 50,000 IU of vitamin D3 daily for chronic fatigue.

Toxicity occurs when taking 100,000 IU daily for weeks.
Essential cofactors for vitamin D are magnesium, vitamin K2, zinc, and B6.

Without these, you won't get the full benefits. This is why most vitamin D supplements fail.
Effective vitamin D supplementation threatens a multi-billion dollar drug industry.

The medical establishment actively suppresses this information.

But the science is clear: vitamin D deficiency underlies many modern health problems. Image
A bit about me:

I am the creator of Healthy Keto® & Intermittent Fasting protocols.

I educate millions on nutrition and wellness, empowering over 100M people to make healthier choices.

Join me on a journey to maintain vitality and lose weight while enjoying life. Image
That's a wrap!

What is ONE thing you learned from this thread? Comment below...

And follow me @dr_ericberg to join my mission to provide evidence-based insights to improve your health and longevity.

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More from @dr_ericberg

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But you can slow it down—and even reverse how it shows on your skin.

People often ask how my wife and I look 10-15 years younger than our age.

Today, I’m sharing exactly what we do—effective, evidence-based, and rarely discussed.

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Your skin is built on two key nutrients:
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Let’s break down what to do to maintain healthy skin—and reverse visible aging: Image
1/ Prioritize saturated fat and cholesterol.

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Castor oil: nature’s Botox?

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Jun 7
Big Pharma is TERRIFIED of vitamin D3.

They’ve spent decades downplaying its power—because it’s a natural, affordable remedy that quietly threatens billions in profits.

There’s a hidden war between natural healing and pharmaceutical interests—let me explain: 🧵 Image
Why don’t major institutions like Harvard publish anything positive about vitamin D?

Because they’re influenced and funded by pharmaceutical giants.

Why? Because vitamin D directly competes with their drugs.

You’ll be shocked how deep this goes…
Vitamin D is made when sunlight hits the cholesterol in your skin.

But think about it:
• We’re told cholesterol is bad.
• We’re told to avoid the sun.

Why? Because they can’t profit from sunlight—but they can sell you synthetic vitamin D.

Let’s see how… Image
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Jun 6
Big Pharma doesn’t want you to know this…

Magnesium deficiency is causing anxiety, fatigue, & numerous issues in millions of Americans.

Yet most people are deficient & don’t even know it.

Let me explain why magnesium matters & the biggest mistake people make regarding it: 🧵 Image
You might think your magnesium levels are fine because your blood test said so.

But here’s the catch:

Only about 1% of magnesium is in your blood.

The other 99% is stored in your bones, muscles, and cells—where it’s actually used.

So how do you know if you’re deficient?
The #1 sign you are magnesium deficient?

FATIGUE.

Why? Because magnesium:

• Powers your mitochondria
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• Runs every cell's sodium-potassium pump Image
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Jun 5
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1/ Rich in phytonutrients… 🧵 Image
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Their natural acidity improves mineral absorption—especially iron.

There’s more…
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1 in 4 adults has a fatty liver—often without knowing it.

Lemon’s phytonutrients help break down fat in liver cells (hepatic steatosis).

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