June 06, 2025

#14 - Dangers Of Vitamin D Supplements Exposed By World Expert Jim Stephenson Jr

1 hour 13 minutes

Summary:

Jim Stephenson Jr., a leading expert in vitamin D biology with over 20 years of research experience, emphasizes the importance of natural vitamin D sources, such as sunlight and food, for optimal health. Contrary to its name, vitamin D is a hormone, not a vitamin. Studies on vitamin D supplementation reveal limited benefits for conditions like autoimmunity, obesity, cancer, and osteoporosis, and may even cause harm due to numerous side effects.

Jim's Substack: https://substack.com/@jimstephensonjr

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Chapters

00:00 The Illusion of Vitamin D Deficiency

05:50 Understanding the Vitamin D Pathway

12:06 The Complexities of Vitamin D Testing

17:50 The Role of Vitamin D in Immune Response

24:06 Vitamin D and Disease: A Critical Analysis

30:13 The Placebo Effect and Vitamin D

35:49 Future Directions in Vitamin D Research

37:45 The Impact of Deuterium on Health

38:45 Vitamin D Deficiency: Myths and Misconceptions

39:43 Understanding Vitamin D Utilization

42:40 The Role of Sulfated Vitamin D

46:37 The Interplay of Vitamin D and Other Molecules

49:56 The Influence of Medications on Vitamin D Levels

52:35 The Role of Magnesium in Vitamin D Metabolism

56:51 Vitamin D from Food Sources

01:01:41 The Relationship Between Vitamin D and Mitochondria

Sound Bites

"It's just, I see it as false hope for people."

"You want to be really careful with it."

"The active form made by the kidneys is the one that works."

"It's a marker, not the cause."

"It's a failed model in my opinion."

"Deuterium is kryptonite to your mitochondria."

"Light water, deuterium depleted water is 100% safe."

"Supplementing does not alter your sulfated levels."

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DISCLAIMER: This podcast is for entertainment purposes only and does not constitute medical advise. Please consult your healthcare provider before making any medical decisions. Views expressed by guests are their own and do not necessarily reflect those of the host.

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