To get good sleep, your brain needs to know when it's daytime and when it's nighttime. How does it know? Vitamin A tells it!

So if you don't have enough vitamin A, your brain is going to be clueless.

Tune in for how to figure out if vitamin A is at the bottom of your sleeping problems.

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Here are some links mentioned in this episode:

How to Make Your Own Melatonin:

https://chrismasterjohnphd.com/2019/03/05/how-to-make-your-own-melatonin/

Vitamin A Plays an Essential Role in Setting the Circadian Rhythm and Allowing Good Sleep: https://www.westonaprice.org/vitamin-plays-essential-role-setting-circadian-rhythm-allowing-good-sleep/

How to Manage Your Vitamin A Status: https://chrismasterjohnphd.com/2018/08/16/manage-vitamin-status/

Testing Nutritional Status: The Ultimate Cheat Sheet: https://chrismasterjohnphd.com/cheatsheet use the code LITE5 to get $5 off.

Access the show notes, transcript, and comments here.

Chris Masterjohn, PhD, is the Founder and Scientific Director of the mitochondria test Mitome.