B12 is essential for metabolic processes that convert food into energy
in Cell Metabolism , increased NAD availability stimulates PGC-1 through SIRT1 activation, leading to enhanced mitochondrial function and improved metabolic flexibility (Cant et al., Cell Metabolism )
By age 60, that number drops to approximately 80 ng/ml
GLP-1 receptor agonism promotes insulin secretion in a glucose-dependent manner, reduces appetite, and slows gastric emptying
Contact your GP immediately, call NHS 111, or attend A&E if you develop: Irregular heartbeat or palpitations that persist Chest pain or pressure Severe breathlessness Significant leg swelling These symptoms require assessment to determine their cause, which may or may not be related to your B12 treatment