how to administer b12 im injection Shots at Home: How, Where & Often Inject Yourself How to Give B12 Injections

Vitamin B12 and Menstrual Cycles Each month, women typically lose about a third of a cup (80 milliliters) of blood during the menstrual cycle

Overexpression of NNMT has been linked to obesity, insulin resistance, and impaired NAD metabolism

If you don't mind getting injections, have nutrient absorption issues, and are willing to make the trip to the doctor's office, then B12 injections may be the best option for you

Lipotropic injections: Benefits, side effects, dosage, and cost (Injection site reactions excerpt)

Intramuscular injections are often used first

Studies comparing B12 forms, doses, and routes would also clarify whether any specific approach has measurable effects beyond repletion