Notes:
- Osteocalcin is a bone-specific protein that affects a number of physiological processes, including energy expenditure and glucose levels. Osteocalcin also has the ability to cross the blood-brain barrier, where it binds to neurons and affects the synthesis of neurotransmitters.
- vitamin K, produced by some bacteria in the gut, regulates carboxylation, which in turn regulates the level of osteocalcin in the body. An altered composition of bacteria in the gut could affect vitamin K production, therefore affecting the level of osteocalcin in the body. Distorted levels of osteocalcin may affect glucose metabolism, leading to the formation of advanced glycation end-products, which are linked to Alzheimer’s disease and diabetes-related skeletal fragility. (1)