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

May 19
There’s one collagen source so potent, even doctors use it for anti-aging treatments.

It has the power to transform your skin, joints, and overall health.

It’s 90% pure collagen—and yes, you can eat it.

Let’s dive in and uncover what this source is: 🧵 Image
First, what is collagen?

Collagen is more than just a protein—it’s a structural component of your body.

It strengthens joints, bones, teeth, skin, hair, nails, & connective tissue, while also supporting gut health and physical recovery.

But here’s what most people miss…
You can’t get collagen from plants.

Plant-based products only provide supporting nutrients like vitamin C—not true collagen.

Real collagen comes solely from animal sources.

Before we cover the best foods, let’s look at the key collagen type:
Read 12 tweets
May 17
Heart attacks rarely come with a warning.

Yet long before they occur, your arteries may be silently clogging—without any noticeable symptoms.

Let’s explore what actually causes this, and the natural enzymes that may help prevent it before it’s too late. 🧵 Image
A clogged artery isn’t just “high cholesterol.”

Plaque is a mix of:
• Oxidized LDL cholesterol
• Fibrin (a clot-forming protein)
• Calcium

This buildup forms in response to chronic inflammation in the arterial walls.

But what causes that inflammation in the first place?
Here are some of the most common triggers of arterial damage:
• High blood sugar
• Smoking
• Excess omega-6 seed oils
• Hypertension
• Oxidative stress

Over time, these factors impair the endothelial lining—the thin, delicate layer that lines the inside of your arteries.
Read 13 tweets
May 16
Is Sugar Really Bad For Your Health?

You hear it everywhere.
But is it just another diet trend—or is there solid science behind the warnings?

Here’s what most people don’t realize about what sugar does to your body…

Let’s dive in: 🧵 Image
Sugar offers very few benefits—and only when taken in small amounts.

But most people eat excess without realizing it, because it hides in sauces, snacks, bread & drinks.

Over time, excess sugar slowly harms your body.

So what happens if you cut it out completely for 2 weeks?
1/ Sugar cravings vanish

Sugar spikes insulin, followed by a drop in blood sugar. That drop triggers more sugar cravings.

It’s a vicious cycle.

When you quit sugar, insulin levels stabilize.
No more spikes. No more crashes.
And within days, the cravings begin to fade. Image
Read 16 tweets
May 15
Losing your hair is devastating, and medications come with side effects you don't want.

I'm going to show you 12 very effective, inexpensive home remedies that can help prevent hair loss and regrow your hair naturally.

THREAD 🧵 Image
First, let's understand how most top hair loss medications work:

Most block an enzyme called "5-alpha reductase" that converts testosterone to DHT.

Too much DHT causes androgenetic alopecia (pattern baldness) in both men and women.

Let's dive into natural remedies:
1) Get a fluoride-filtering showerhead.

Most people don't realize that fluoride in shower water causes significant hair loss AND blocks your thyroid function.

A hypothyroid (underactive thyroid) condition easily stops hair growth.
Read 18 tweets
May 12
Your glasses aren’t healing your eyes—they’re making them WORSE.

By age 45, most people rely on corrective lenses. But what if that decline wasn’t inevitable?

What if it’s a reversible issue that most eye doctors never test for?

Let’s uncover the truth, step by step:🧵 Image
Most eye exams only measure how well you see black letters on a white background.

That’s called visual acuity—a test of your high contrast vision.

But they rarely check contrast sensitivity—your ability to detect subtle differences in light and shade.

Here’s why that matters: Image
Loss of contrast sensitivity makes your world appear blurrier, mostly in low light.

It’s a sign of deeper retinal degeneration, not just aging.

The good news?
This decline is often reversible—if you restore what your retina is missing.

Let’s begin with the most critical fix:
Read 14 tweets
May 10
Let me be real for a moment.

Another Surgeon General cut from the same cloth won’t fix a thing. And the attacks on Dr. Casey Means?

They’re not about truth—they’re about fear: 🧵 Image
When someone steps outside the system and starts making noise…

This is what happens:

• They get smeared or silenced
• Their family gets brought up
• People dig for any excuse not to listen

But DON'T let that distract you... Image
What matters is her actions.

She walked away from a promising surgical career because she saw what I’ve been teaching for decades:

The system isn’t broken. It’s doing exactly what it was built to do:

Diagnose → Drug → Suppress → Repeat Image
Read 6 tweets

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