10 Signs You Have a Vitamin D Deficiency (How...

In this episode, I’m breaking down the four pillars of recomposition to help you shrink your body fat, build lean muscle, and reclaim the energy you had in your 20s. For 30 years, the fitness world has preached the same rule: you have to "bulk" to gain muscle, or "cut" to lose fa ...  Show more

I've shared some wild experiences with my good friend Ben Greenfield—including getting beaten with branches in freezing Russian plunge pools—but today we are diving into something much deeper. Ben is one of the world's leading experts in human performance, but after spending year ...  Show more

In this episode, Dr. Jockers breaks down 12 key warning signs that may reveal a vitamin D deficiency. You'll hear how low levels of this critical nutrient affect mood, immune balance, pain sensitivity, and even sex hormone production.

Are you getting enough vitamin D? This powerful nutrient does so much more than just support bone health—it’s essential for mood, energy, immunity, and even protection against serious diseases like cancer and COVID. Yet, approximately 80% of Americans are deficient due to limited ...  Show more

This is crazy! After working with thousands of people over the past 17 years, and running lab tests on them, I’ve discovered that 75% of them had low Vitamin D levels. What’s really fascinating is that most of them presented these bizarre symptoms which were all linked to Vitamin ...  Show more

Many people only take between 600 to 2000 IUs of vitamin D each day. Did you know that 10,000 IUs of vitamin D3 is only .25 mg?

Vitamin D is the most important vitamin. It controls 10% of your genetics. Over 90% of the population has less than 40 ng per mL ...