does b12 injection cause headache I've had a migraine since Sept 4th. I took a that day (prescribed by my doctor) so I'm wondering if it's related or coincidence. I'm scared to take another one What Does A B12 Deficiency

Best for: fat metabolism support, weight management programs, GLP-1 medication adjunct (semaglutide, tirzepatide), liver health, insulin sensitization

however, there is hardly any talk about overdosing vitamin B12 and possible side effects

Sublingual forms are often marketed as having superior absorption, though evidence supporting this claim over standard oral tablets is limited

To make these side effects less, doctors might change how they give the shot or where they give it

however, no maternal or fetal complications have been associated with doses that are recommended during pregnancy, and appropriate treatment should not be withheld from pregnant women with vitamin B12 responsive anemias