Resolve IBS and IBD Naturally

Episode 69: Why Your Vitamin D Is Still Low (Even If You Take a Supplement)

Courtney Cowie NTP, FDN-P

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0:00 | 17:13

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Vitamin D is one of the most important — and most misunderstood — nutrients when it comes to immune health, gut healing, and autoimmune resilience.

In this episode, I break down why so many people still test low for vitamin D…
 even when they’re supplementing…
 getting sun exposure…
 and “doing everything right.”

This conversation was inspired by a real-life situation with a colleague of mine — someone highly knowledgeable about nutrition — who discovered her vitamin D levels were still very low due to a simple dosing and absorption disconnect.

And if that can happen to someone well-trained in functional nutrition?
 It can happen to anyone.

In This Episode, You’ll Learn:

• Why most people need vitamin D supplementation year-round — even in sunny climates
 • The optimal vitamin D blood range for immune health (and why conventional “normal” ranges are too low)
 • Why people with IBS, autoimmune disease, and chronic inflammation are often poor vitamin D converters
 • How much vitamin D most adults actually need to reach sufficiency
• Why liposomal vitamin D is often more effective than capsules for gut-compromised individuals
• The connection between vitamin D, vitamin A, vitamin K, and fat-soluble vitamin absorption
• Why vitamin A matters for autoimmune regulation and gut resilience
• How to build a simple, consistent vitamin D routine that actually works
• How to test your vitamin D levels affordably — even without insurance coverage

My Recommended Vitamin D Products

I personally use and recommend liposomal vitamin D for better absorption — especially for people with gut inflammation, malabsorption, IBS, or autoimmune disease.

You can find the exact vitamin D and fat-soluble vitamin formulas I use for myself and my clients here:

Shop my Fullscript dispensary: https://us.fullscript.com/welcome/ca-cowie

Link to my free training “The Root Cause Approach to Gut Healing”—my step-by-step framework to stop guessing and start healing

Link to a free 30 minute Gut Check Call

Link to my website

Disclaimer: None of the content discussed is meant to be taken as medical advice. All information presented is for educational purposes only and listeners and viewers assume all responsibility around implementing any changes to their health and medical regimen.