what happens if you inject vitamin b12 into a vein B12 Injection Dosage: 7 Facts Adults Should Know Treating Severe Vitamin B12 Deficiency – what happens if you inject

B12 shots bypass GI absorption problems and deliver methylcobalamin (the active form) directly to your cells, making them far superior to oral B12 if you have any digestive issues or take acid-blocking medications

Prescription Requirements and Medical Supervision First, you need a doctors prescription for B12 injections

Adequate and well-controlled studies have not been done in pregnant women

They can also help prevent health problems

3 ml Syringe : Useful for administering larger doses in a single injection, minimizing the need for multiple injections, which can be more comfortable for the patient

Whether pills or injections make more sense for you is a decision your provider can help you make based on your labs and history