GLP-1 users / aggressive cutting
4,5 Dietary insufficiency, pernicious anemia (i.e., an autoimmune process that reduces available intrinsic factor and subsequent absorption of vitamin B 12 1,2,6,7 ), and long-term use of metformin or acid-suppressing medications have been implicated in B 12 deficiency
These blood tests can help determine if youre low on B12 (6)
Dysgeusia is also a common side effect in a variety of different situations, including taking antibiotics, certain other medications, and even infections like COVID-19
For example, an IM injection in the deltoid could hit the radial nerve or artery if placed too low