If you switch from a compounded semaglutide with B12 to a formulation without it (or to brand-name Wegovy, which does not contain B12), you need to add B12 supplementation separately
B12 IM injections are often recommended for individuals with conditions that affect B12 absorption, such as pernicious anemia, atrophic gastritis, or those who have undergone certain gastrointestinal surgeries
Vastus lateralis (outer thigh)
doi: 10.1210/endo.142.12.8522
vitamins act as catalysts, and proteins and calories provide the substrate for them to work on
If you have been prescribed a peptide by a licensed provider, your reconstitution and administration instructions come from that provider, calibrated to your specific prescription