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

Jul 6
What if just 14 days of cold showers could transform your body & brain—at zero cost?

Some say it’s amazing for your health & energy. Others think it’s useless—or even bad for you. So what’s really true?

Let’s break down the science, starting with the first big effect. 🧵 Image
1/ Stronger Immune System.

We’re told, “You’ll get sick if you’re out in the cold.” But cold itself doesn’t cause illness—viruses do.

Studies show brief cold exposure can boost white blood cells that fight infections.

So regular cold showers may strengthen your defenses.
2/ Mood & Mental Sharpness

Cold exposure triggers noradrenaline—a brain chemical that improves alertness, focus, and mood.

Low levels = brain fog and anxiety.

A cold shower gives your mind a natural boost to feel clear, energized, and emotionally balanced.
Read 12 tweets
Jul 5
You’ve heard about the powerful benefits of castor oil.

For over 4000 years, it’s been used to heal skin, regrow hair, relieve pain, and support the liver.

But most people never unlock its full potential.

Here’s how to 10x its healing power:

THREAD 🧵 Image
Most people try castor oil once or twice and give up.

But with consistent use, it may help with:

• Wrinkles and dark spots
• Hair growth and dry scalp
• Joint pain and inflammation
• Liver function and detoxification
• Immune system support

So what makes it so effective?
Castor oil contains a rare compound called ricinoleic acid, which is not found in any other plant.

This gives it powerful anti-inflammatory, antimicrobial, and deep-penetrating effects.

But most people sabotage their results by using the wrong type. Image
Read 13 tweets
Jul 4
These 8 everyday ingredients are quietly poisoning millions.

They’re banned in Europe, but still allowed in U.S. foods.

Robert F. Kennedy Jr. is fighting to ban the worst offenders.

Here’s what they are, and how to protect yourself:

THREAD 🧵 Image
1/ Food Dyes

Artificial food colors add nothing of nutritional value.

They’ve been linked to ADHD symptoms, allergic reactions, and cancer in some animal studies.

These dyes were once banned, but regulatory loopholes quietly brought them back in 1996. Image
2/ Junk in SNAP

Soda, chips, & high-fructose snacks are all eligible for food stamps.

RFK Jr. is fighting to change that by limiting junk food purchases under the SNAP program.

Why? Because taxpayers are paying twice—first for the food, then for the health problems it causes.
Read 11 tweets
Jul 3
The #1 Exercise to Lose Belly Fat (Easily)

It’s not crunches.
It’s not HIIT
And it’s not hours in the gym.

Most people overlook this entirely.

But when paired with one simple strategy, this becomes the most effective exercise for burning stubborn belly fat.

Here’s how: 🧵 Image
First, it’s important to understand why so many people struggle with belly fat.

The common approach is to focus on “calories in vs. calories out.”
So people cut calories and ramp up cardio.

But this rarely leads to lasting fat loss—especially around the midsection.

Here’s why:
Your body doesn’t just burn calories, it decides what to burn.

It can burn:
• Glucose (sugar from food)
• Fat (stored body fat)

But most people stay in glucose-burning mode and rarely tap into stored fat.

The main reason? Chronically elevated insulin levels.
Read 15 tweets
Jul 2
Nattokinase is one of the world's best natural remedies for heart health.

Unlike aspirin, which often triggers bleeding or gastric ulcers, nattokinase
has been studied for its ability to support healthy blood flow with less reported side effects.

Here's what you need to know🧵 Image
Nattokinase (NK) is an enzyme that comes from natto, a fermented soybean product.

It's an amazing natural remedy for blood clotting and poor circulation.

Natto is also a great source of vitamin K2, which helps prevent calcium buildup in your arteries.
If you have buildup in your arteries from fibrous tissue and it's stopping circulation to your brain or legs, NK can help.

Many people find their legs falling asleep or experience poor circulation.

The NK enzyme addresses the root cause.
Read 12 tweets
Jul 1
What happens if you stop eating for 3 days?

Sounds extreme, right?

We’re told the body needs food to heal.
But what if eating too often is what’s making us sick?

Here’s what actually happens during a prolonged fast, and how it can transform your health:

THREAD 🧵 Image
One common myth? That not eating slows your metabolism or makes you lose muscle.

In reality, prolonged fasting done correctly does the opposite.

It burns fat, boosts energy, and triggers deep cellular repair.

But what actually makes prolonged fasting so powerful? Image
Prolonged fasting is effective because it lowers insulin, the hormone that controls fat storage and energy use.

When you eat too often, insulin stays high.

Over time, this leads to insulin resistance. And that’s the root of most chronic disease.

Here’s the problem…
Read 13 tweets

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