However, because the ketones
produced by ketosis are not concentrated in your bloodstream, but are instead mostly excreted in your urine.
After 3 days of fasting, when the brain's glucose consumption has been roughly
halved by ketosis and the rest of the body is conserving glucose, the body's rate of glucose manufacture in liver and kidneys is about 600 calories per day.
Reduced fat storage and a higher rate of fat loss
facilitated by ketosis rather than glycolysis, as fats break down to give energy.
A lot of the underlying mechanisms are related to mitochondrial quality and quantity, anti-apoptotic factors, and neurotrophic factors (eg, BDNF
induced by ketosis).