Dr. Eric Berg Profile picture
Jan 9, 2025 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

Apr 23
What happens if you eat only sardines for 5 days?

Day 1: Your body switches from sugar-burning to fat-burning… 🧵
Because sardines contain no carbohydrates or sugar, liver glycogen stores are depleted within 24 hours.

This leads to a drop in water weight and the start of fat-burning.

Maintaining electrolyte balance during this period is essential. Image
Sardines are one of the most nutrient-dense foods available.

Each can provides:
• 23 g of protein
• 900 mg of EPA and DHA
• 382 mg of calcium
• 348% of vitamin B12
• Vitamin D, selenium, phosphorus, and taurine

Consuming 3 cans per day delivers therapeutic nutrient levels.
Read 11 tweets
Apr 22
Millions of people struggle with depression.
In many cases, the root cause is a simple nutrient deficiency.

Here are 5 key deficiencies that can silently trigger depression.

1/ Zinc… 🧵 Image
Zinc is essential for neurotransmitter production and hundreds of biochemical reactions.

Deficiency can be genetic or dietary, especially in vegetarians, vegans, or those who don't eat a lot of animal products.

Sources include red meat, shellfish, and other animal proteins.
2/ Vitamin B12

B12 is essential for producing serotonin, the neurotransmitter that helps regulate mood.

Deficiency can contribute to fatigue, low energy, and symptoms of depression.

Common causes include low stomach acid, absorption difficulties, or inadequate dietary intake.
Read 12 tweets
Apr 21
Why do so many people in India have bloated, protruding stomachs…
Even if they’re not overweight?

It’s not just genetics.

Here’s what’s really going on: 🧵
You’ve probably noticed this.

Many Indian men (and increasingly women) have pot bellies.

But it’s not just body fat. It’s a digestive issue that’s been ignored for far too long.
Behind that belly is often a mix of:
• Fatty liver
• Chronic bloating
• Indigestion
• SIBO (small intestinal bacterial overgrowth)

Mainstream advice blames stress, aging, or lack of exercise. But that misses the root cause.

Let’s talk about the Indian diet… Image
Read 15 tweets
Apr 14
Not all food is real food.

Many everyday staples are engineered with chemicals and fillers.

Here are 5 of the worst ultra-processed factory foods, and why they’re damaging your health:

1/ Ketchup 🧵
Most commercial ketchup is made from highly processed tomato paste, refined sugar or corn syrup, and preservatives.

This combination delivers concentrated sugar with minimal nutrients and can contribute to insulin spikes, inflammation, and weight gain.
2/ Flavored Yogurt

Many flavored yogurts contain added sugar, artificial flavors, and stabilizers, even when labeled as healthy.

These additives reduce nutritional value, raise blood sugar, and can disrupt gut balance, limiting the benefits of real yogurt.
Read 10 tweets
Apr 10
Not all food is real food.

Many everyday staples are engineered with chemicals and fillers.

Here are 5 of the worst ultra-processed factory foods, and why they’re damaging your health:

1/ Mayonnaise
Most commercial mayo is made with refined seed oils instead of whole ingredients.

These heavily processed oils oxidize easily and are often combined with added sugar, preservatives, and emulsifiers.

The result is a highly inflammatory product with little nutritional value.
2/ Snickers bars

Snickers are primarily made of sugar, corn syrup, refined carbohydrates, vegetable oils, and artificial flavorings.

They cause rapid blood sugar and insulin spikes followed by energy crashes, which can contribute to insulin resistance and weight gain over time.
Read 10 tweets
Mar 28
10 signs your body desperately needs to reset from chronic stress (& you don't realize it):

1/ Waking between 2 and 4 AM
This is often a sign of excess stress caused by a cortisol spike in the middle of the night.

You may feel more awake at that time than during the day, even if you felt tired & unfocused earlier.

This happens when your body is stuck in fight-or-flight mode instead of recovery. Image
Image
2/ Low tolerance for stress

As stress builds, your ability to cope with it starts to decline.

Small situations can trigger big reactions:
• Irritability
• Anger
• Feeling overwhelmed
Read 17 tweets

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