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

Dec 6
You probably already have parasites living inside you.

And most people have no idea.

Here are 7 warning signs your body may be fighting off harmful parasites… and what to do about it: 🧵
1/ Persistent fatigue

If you wake up tired, struggle with energy throughout the day, and cannot explain it, parasites could be one reason.

Some parasites reduce nutrient absorption, while others trigger ongoing immune activity. Both can leave you feeling depleted.
2/ Unexplained rashes

Some parasites can trigger skin reactions.

When parasites enter the bloodstream or tissues, your immune system may release histamines and inflammatory chemicals.

This can result in itching, redness, or irritation, even without a history of skin problems. Image
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Many people believe that worsening eyesight is simply inevitable.

The truth is that you can naturally GET YOUR EYESIGHT BACK.

Don’t believe me? Check this out: 🧵
By age 45, most people need glasses.

There is a specific problem that often goes undetected in routine eye exams.

It is called contrast sensitivity loss, which is the inability to see subtle differences between shades of gray.
Contrast sensitivity loss causes blurriness, especially in low-light environments.

Standard eye exams use high-contrast charts, which are black letters on white backgrounds.

Because of this, the condition often goes undetected.
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Nov 30
There are thousands of supplements out there.

But after decades of observation, these 7 have delivered the most consistent, real-world results across the greatest number of cases.

Most people have never even heard of them.

Here are the 7: 🧵
1/ AHCC

AHCC is a powerful extract from shiitake mushrooms with unique immune-supporting properties.

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AHCC helps the body clear Human papillomavirus by supporting natural killer cells.

It also helps counter:
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Nov 29
Your feet can reveal serious warning signs…

Not just about your liver, but your entire body.

Here are the 9 most important: 🧵
Your feet are the farthest point from your heart.

This means they receive the least oxygen, nutrients, and blood flow.

When something goes wrong inside your body, your feet are often the first place it shows.

Here’s what to watch for:
1/ Burning, tingling, or numb feet?

This is often an early sign of peripheral neuropathy, caused by a vitamin B1 deficiency.

Sugar and alcohol drain your B1 levels fast.

To restore nerve function, use benfotiamine, a form of B1 that actually reaches your nerves.
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Nov 28
Everyone’s talking about saunas and cold plunges.

From athletes to biohackers, it’s the hottest (and coldest) health trend right now.

But do they actually work… or is it just hype?

Here’s what the science really says: 🧵
Let’s start with the sauna.

When you expose your body to heat, you create a mild stress known as the hormetic effect.

This “good stress” forces your body to adapt, becoming stronger in the process.

Similar benefits happen with fasting, exercise, and even cold exposure.
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• Growth hormone up by 140%
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• Lower resting heart rate
• Stronger immune system
• Lower blood pressure

It even mimics the effects of moderate aerobic exercise.
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Do you have inflammation anywhere in your digestive tract?

There is a simple, inexpensive remedy with almost no side effects that helps soothe irritation from the stomach to the colon while supporting your gut microbes.

Here's how it works: 🧵
Digestive inflammation is extremely common.
It includes conditions like gastritis, acid reflux, esophagitis, ulcers, hernias, diverticulitis, colitis, and Crohn’s disease.

Many conventional treatments for these conditions rely on antibiotics.
But what do they do to your gut?
Antibiotics don't only target harmful microbes; they also disrupt the balance of your gut microbiome.

When beneficial bacteria are wiped out, the surviving microbes adapt and become more aggressive.
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