vitamin b12 injection needle size Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency Is It Okay To Use

If you are B12 deficient, you may feel a boost in energy almost immediately after the injection

If you arent completely confident in your ability or feel worried, a safe choice may be to schedule an appointment to have it administered by a physician in their clinic, or to have your B12 shot administered at a pharmacy

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People with Certain Medications: Long-term use of medications like proton pump inhibitors or metformin can interfere with B12 absorption, leading to a deficiency