vitamin b12 injection syringes for im Cyanocobalamin 1000 mcg — Mountainside Medical How to Give a B12

8 Reasons to Get a B12 Shot at Texas Heart & Vein Today A B-12 shot is an injection of Vitamin B-12, or cyanocobalamin, which is an essential nutrient for many bodily functions

Adults aged 18 and up need at least 2.4 micrograms per day

Vitamin B12 injections deliver methylcobalamin or cyanocobalamin directly into muscle tissue, bypassing the digestive tract

Vitamin B12 Shots vs B12 Supplements When it comes to boosting your Vitamin B12 levels, both supplements and shots can be effective, but there are some differences to consider

Mild soreness, redness, or small bruises are normal and typically resolve within one to two days

Once you stop taking the medicine, your stool should return to normal within several days