Fasting. Loss of lean mass? No, likely an increase. by Michael Cummins, Fri 22 Dec '17

Fasting. Loss of lean mass? No, likely an increase.

"Like cortisol, HGH increases glucose and thus is suppressed during feeding. Fasting is a great stimulus

During fasting, there is the spike in the early morning, but there is regular secretion throughout the day as well. Hartman et al also showed a 5 fold increase in HGH in response to a 2 day fast.

This HGH is crucial in the maintenance of lean mass – both muscle and bone. One of the major concerns about fasting is the loss of lean mass. This does not occur. In fact, the opposite happens – there is likely an increase in lean mass."

Dr. Jason Fung, M.D., nephrologist, in Fasting and Growth Hormone Physiology – Part 3

 

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