b12 injection dose for pernicious anemia Are Vitamin Shots Right You? B12 Shots at Home: How,

Always good to have a reason I have also had this happen when my folate was low , it may be worth you getting it checked I had self inject my B12 every 4 weeks for the last 20+ (cannot really remember how long accurately), and 2 months ago got a similar 'electric shock tingling' all over my body - head, face, arms, hands, legs, feet etc within a couple of minutes of injecting, which lasted about 3 seconds or so

They also contain vitamin B12

such as chronic stress or exposure to metals like aluminum (Gom, 2024), worsen AD features via oxidative injury and proteinopathy enhancement (Dhapola et al., 2023)

2022 Apr;26(7):2443-2459

[205] Preparation of the reduced forms of vitamin B12 and of some analogs of the vitamin B12 coenzyme containing a cobalt-carbon bond