side effects of vitamin b12 injections weight loss Injection Dose for Loss: What Does the Science Say? Can B12 Shots Help With
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I have been going here for the past 3 years

According to the NHS, taking folic acid supplements can sometimes mask the signs of a B12 deficiency

[11] [12] Vitamin B12 (cobalamin) is essential for maintaining the myelin sheath that protects nerve fibers, and deficiency can cause or worsen peripheral neuropathy, presenting with symptoms similar to diabetic neuropathy

It can include extreme tiredness or exhaustion that prevents you from doing activities of normal life
