On a standard high carbohydrate diet the brain is dependent on glucose. If carbohydrates are restricted (or you fast for an extended period) the body will initially break down protein from muscle for conversion into glucose. However, this response is only temporary because over time the body metabolism changes over to ketones.
Becoming fat adapted
by Dr Ian Johnson | Sep 14, 2018 | cancer, cardiovascular diease, dementia, Diabetes, fatty liver, ketogenic diet, metabolic health, Nutrition, nutritional ketosis, polycystic ovary syndrome, weight control