#433 ENCORE: Why Vitamin D Supplements Could Be Making You Worse with Morley Robbins

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For the next four weeks on the Less Stressed Life, we’re republishing listener-favorite episodes from 2025.

This week, we’re revisiting a powerful conversation with Morley Robbins, creator of the Root Cause Protocol and expert in mineral metabolism, to unpack why high-dose vitamin D supplements might actually be making symptoms worse instead of better.

In this eye-opening episode, we explore why low vitamin D on a lab test doesn’t always equal deficiency, how inflammation and hidden infections can disrupt vitamin D metabolism, and why minerals like magnesium, copper, and retinol are essential for proper function. If you’re struggling with fatigue, hormone issues, or have been told you’re vitamin D deficient, this conversation may completely shift how you think about healing.

To find cliff notes from this episode visit our blog here: https://www.christabiegler.com/blog/encore-why-vitamin-d-supplements-could-be-making-you-worse-with-morley-robbins

KEY TAKEAWAYS:

• What low vitamin D really means and why it may signal inflammation
• How infections and immune dysfunction impact vitamin D metabolism
• The vital roles of magnesium, copper, and retinol in supporting vitamin D
• Why supplementing vitamin D without cofactors can worsen symptoms
• How to test for both storage and active vitamin D
• How to safely restore mineral balance using the Root Cause Protocol

Megan Mangin's paper mentioned in episode: https://pubmed.ncbi.nlm.nih.gov/25048990/

ABOUT GUEST:
Morley Robbins is the creator of the Root Cause Protocol and founder of the Magnesium Advocacy Group. Known as the “Magnesium Man,” Morley left a decades-long career in hospital administration after a personal healing experience led him to question conventional health models. Since then, he’s become a passionate educator on mineral balance, conducting thousands of consults and researching the roles of magnesium, copper, and iron in chronic illness. Through his work, Morley helps people address fatigue, inflammation, and hormonal imbalances—one mineral at a time. 

WHERE TO FIND:
Website: https://therootcauseprotocol.com/
Instagram: https://www.instagram.com/therootcauseprotocol/

WHERE TO FIND CHRISTA:
Website: https://www.christabiegler.com/
Instagram: @anti.inflammatory.nutritionist
Podcast Instagram: @lessstressedlife
YouTube: https://www.youtube.com/@lessstressedlife
More Links + Quizzes: https://www.christabiegler.com/links

SPONSOR:
Thank you to Jigsaw Health for being such a great sponsor. 😎 Use code LESSSTRESSED10 anytime for 10% off!

I released a free training that shares the 4 steps I use to help clients reduce eczema, inflammation, and food-reaction symptoms by 50%+ in a few months — without restriction or overwhelm. The feedback has been incredible, and I answer every question inside the training. Watch here: christabiegler.com/blueprint