It is an autoimmune process that takes place when the immune systems own tolerance is missed due to increased operation
For example, for a teenager who has tried and been unsuccessful with many dietary treatments for obesity and has type 2 diabetes, high blood pressure, sleep apnea, and fatty liver, she said a GLP-1 drug like Wegovy is a viable option
This is the ingredient most responsible for the I feel better on these shots reports, and the mechanism is not mysterious: in a patient who is genuinely B12-deficient, repletion resolves fatigue
doi:10.1073/pnas.84.8.2377
Type 2 Diabetes Control: Secures strong glycemic stability by enhancing natural post-meal insulin production and reducing hepatic sugar output
10.1016/j.lfs.2004.08.010 71 TudorM.JandricI.MarovicA.GjurasinM.PerovicD.RadicB.et al (2010)