Why Doesn’t Muscle Loss Occur During Fasting?

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In this video, Dr. Berg answers the question on why muscle loss doesn’t occur during fasting. It has to do with this one single hormone called Human Growth Hormone which protects and preserves body protein. When doing this fasting or intermittent fasting, the human growth hormone is triggered in very large quantities. Fat as a fat-burning fuel and muscle as the last ditch effort to help with starvation will also be discussed.

Exercise is the main tool that helps build muscle while fasting or intermittent fasting is a tool to protect and preserve the muscle, as well as its reparative functions, from being lost.

I wanna create a quick video to answer this question, why doesn’t muscle loss occur during fasting or intermittent fasting. It has to do with this one single hormone called growth hormone or human growth hormone. When you do fasting or intermittent fasting, you majorly trigger this hormone in very large quantities and growth hormone protects and preserves body protein and muscle is a body protein. And there’s a research done that validates this. What they did is they had this group of people take a drug which suppresses growth hormone. So we just take growth hormone out of the picture while all this group of people were fasting. And what they found is they actually loss 50% of their muscle without the help of the growth hormone. Growth hormone is the key factor that preserves and protects your muscles from being loss. Fat is the tissue that is used for fuel when there is no food available. Muscle is not the tissue used as a fuel source, only as a last ditch effort to help you survive when you are starving but you have to be very into that stage of starving and very sick before that happens. Exercise is really the main tool to help you build muscle. Fasting and intermittent fasting is the tool to protect and preserve the muscle from being lost as well as the reparative function of the muscle.

Dr. Eric Berg DC Bio:
Dr. Berg, 52 years of age is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the author of The New Body Type Guide and other books published by KB Publishing. He has taught students nutrition as an adjunct professor at Howard University.


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Dr. Eric Berg received his Doctor of Chiropractic degree from Palmer College of Chiropractic in 1988. His use of “doctor” or “Dr.” in relation to himself solely refers to that degree. Dr. Berg is a licensed chiropractor in Virginia, California, and Louisiana, but he no longer practices chiropractic in any state and does not see patients. This video is for general informational purposes only. It should not be used to self-diagnose and it is not a substitute for a medical exam, cure, treatment, diagnosis, and prescription or recommendation. It does not create a doctor-patient relationship between Dr. Berg and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition. The Health & Wellness, Dr. Berg Nutritionals and Dr. Eric Berg, D.C. are not liable or responsible for any advice, course of treatment, diagnosis or any other information, services or product you obtain through this video or site.

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