symptoms of too much vitamin b12 injection High Levels in Blood: What It Really Means · PA Relief Vitamin B12 Side Effects: Risks

This route bypasses the gastrointestinal tract and thus avoids potential problems such as an intrinsic factor deficiency

By improving oxygen transport and energy utilization, B12 injections may help increase stamina and reduce fatigue, allowing for more intense and prolonged physical activity

Both medications are given by injection, though in different sites (B12 intramuscularly, Mounjaro subcutaneously)

In rare cases, a long-standing B12 deficiency can affect the optic nerve, potentially causing blurred or double vision

For people who are new to treating hair loss and haven't tried minoxidil, starting with the more evidence-supported treatment first and adding copper peptides later is probably the more logical sequence