If you want a vitamin B12 injection in Luton , the pharmacist can advise on suitability, but this should sit alongside appropriate medical care where needed
Molecular size then determines the secondary route
Aim for at least 7-8 hours of sleep per night, as poor sleep can increase unhealthy food cravings (17)
Compliance with treatment: Its important for patients to be consistent with their allergy shot treatment plan and attend all scheduled appointments
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
Hydroxocobalamin is considered highly bioavailable, but it lacks FDA approval despite being supported by the World Health Organization