b12 and vitamin d injections & Injection Benefits Can I Take Vitamin D

These medications are tailored to each patients unique needs and progress, helping to ensure long-term success

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

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(5) Stier H, Vos E, Kenley D, Safety and Tolerability of the Hexadecapeptide AOD9604 in Humans