The Warning Signs and Symptoms of Vitamin D Deficiency | Dr. Mark Hyman

Mark Hyman

Oct 25, 2024

Episode description

Feeling tired, sick, or struggling with stubborn health issues? It might be time to check your vitamin D levels. In this episode, I explore why vitamin D is the secret to better health—covering everything from its role in preventing chronic diseases like heart disease and cancer to how it boosts your immune system. I’ll break down the symptoms of deficiency, why regular testing is a must, and how to get vitamin D safely through sun exposure and supplements.

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Mindsip insights from this episode:

Address nutrient deficiencies to prevent chronic illnesses

Many chronic illnesses like osteoporosis and cancer are 'long latency deficiency diseases' that develop over long periods from nutrient deficiencies.

#chronic-disease

#deficiency

Test for vitamin D deficiency with a simple thumb press

You can test for potential vitamin D deficiency by pressing your thumb hard on your shin; if it hurts, you are likely deficient or insufficient.

#deficiency

#vitamin-D

Maintain vitamin D levels above 50 ng/dL to eliminate COVID death risk

If your vitamin D level was over 50 nanograms per deciliter, your risk of death from COVID was zero.

#COVID-19

#vitamin-D

Only apply skin products you would eat

A basic rule for anything you put on your skin is if you wouldn't eat it, you shouldn't put it on your skin because it gets absorbed.

#skin

Embrace sun exposure to reduce mortality risk

A large study found that avoiding sun exposure can nearly double your risk of death from all causes compared to those who get regular sun.

#mortality

#sunlight

Test blood to determine personalized vitamin D dosage

The optimal vitamin D level is between 45 to 75 ng/mL, and you must test your blood to know your personalized daily dose, which can range from 1,000 to 10,000 IU.