The Primal Shift 105: The Anti-Fatigue Factor in Liver Nobody Can Explain
In this episode, I share a fascinating 1950s endurance experiment with rats that uncovered what researchers called an "anti-fatigue factor" in beef liver. The results highlight why organ meats like liver are nature's ultimate multivitamin and how even small micronutrient deficiencies can wreck ATP energy production, mitochondrial health, and overall performance. I'll walk you through what the study revealed, how it ties into modern fatigue and performance issues, and why I believe high-quality liver supplements are one of the simplest ways to cover nutritional gaps. If you've ever wondered about beef liver benefits or why organ meats nutrition matters, this story will change how you think about natural energy.
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Learn more: The original 1951 study on liver's anti-fatigue factor: https://www.cabidigitallibrary.org/doi/full/10.5555/19511403380 You've Been LIED To About Beef Liver & Vitamin A: https://youtu.be/g2VxaIh_oPs The Hidden Problem With "Superfood Fixes": https://youtu.be/gLC8Z9wN3Nk Why Eating Beef Liver Is Good For You: https://michaelkummer.com/beef-liver-benefits/
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In this episode:
00:00 Intro 01:23 The 1950s rat endurance experiment 04:15 Unexpected endurance results 06:48 Nutritional insights from liver 09:46 Modern implications and recommendations 12:14 Final thoughts
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[Medical Disclaimer]
The information shared on this video is for educational purposes only, is not a substitute for the advice of medical doctors or registered dietitians (which I am not) and should not be used to prevent, diagnose, or treat any condition. Consult with a physician before starting a fitness regimen, adding supplements to your diet, or making other changes that may affect your medications, treatment plan, or overall health.
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I earn affiliate commissions from some of the brands and products I review on this channel. While that doesn't change my editorial integrity, it helps make this channel happen. If you'd like to support me, please use my affiliate links or discount code.
#BeefLiver #EnergyLevels