You have
routine B12 level monitoring is generally unnecessary once replacement is established, as levels do not reliably correlate with tissue stores Important safety considerations: Older adults may have impaired renal function, though this rarely affects B12 therapy given its wide safety margin
Digested nutrients, such as glucose, amino acids and long-chain fatty acids, which are mostly absorbed in the small intestine, are GLP-1 secretagogues acting primarily in the small intestine 1,3
Proglucagon is mainly expressed in the intestine, pancreas and hindbrain
A separate 2025 systematic review and meta-analysis published in the Journal of Thrombosis and Haemostasis analyzed 27 clinical trials involving more than 84,000 patients
Melanotan-2 is not approved by the French ANSM, the European EMA, the US FDA, or the UK MHRA