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When your glycogen tanks are depleted (5-6 days eating ULC, lifting, HIIT, etc), how much of it is still in the liver or muscles? I believe the body cannot burn out all glycogen, it should be a bare minimum reserve? Just out of curiosity.
When your glycogen tanks are depleted (5-6 days eating ULC, lifting, HIIT, etc), how much of it is still in the liver or muscles? I believe the body cannot burn out all glycogen, it should be a bare minimum reserve? Just out of curiosity.
Liver glycogen will be depleted after an overnight fast actually. As far as a reserve, I don't know. There might be a reserve, but it's probably an insignificant amount for our purposes.
When your glycogen tanks are depleted (5-6 days eating ULC, lifting, HIIT, etc), how much of it is still in the liver or muscles? I believe the body cannot burn out all glycogen, it should be a bare minimum reserve? Just out of curiosity.
Liver glycogen will be depleted after an overnight fast actually. As far as a reserve, I don't know. There might be a reserve, but it's probably an insignificant amount for our purposes.
After liver and muscle glycogen is gone its pretty much down to glycerol and aminos from muscle and organ tissue to supply glucose.
As Glitche said…you can't run out of Glucose, so long as you consume protein/amino acids. The liver will convert these and glycerol to Glucose in a process Gluconeogenesis. This also explains why some people stall. They go Low Carb…and then go High Protein, which then results in greater amounts of protein converted to glucose, about 58%, compared with 10% of Fat converted to Glucose.
This recent interview will be a good one to watch, hitting on a lot of topics and the liver is one of them:http://www.youtube.com/watch?v=mLB_n2pYoUo
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