can i give myself b12 injections Safe Injection Guide at Home | Step-by-Step Tutorial B12 Shots at Home: How,

Deltoid (upper arm) if someone else administers

Vitamin B12 injections are an effective way to treat a deficiency, but they're not for everyone

For example, a doctor might prescribe the following: 100 micrograms daily for about a week Followed by every other day for seven doses After that, every three to four days for two to three weeks Once monthly until the deficiency is treated B12 injections require a prescription and can be administered at a doctor's office or at home with the approval of a healthcare provider

Never reuse needles or syringes, and follow local regulations for disposing of medical sharps

Depending on the individual, they start working within 48 to 72 hours of the first dose, but they might take three months to completely correct a B12 deficiency