b12 injection 1000 mcg over the counter Cyanocobalamin B-12 USP 1000mcg/mL 1mL NDC9621-35 12 per dose Contains a sterile vitamin B Superior Source No Shot B12/Folic

Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients

In Short 1 1 The neurotropic vitamins B1, B6 and B12 are the unsung heroes of nerve health

Cost-Effective : Vitamin B12 supplements are typically less expensive than injections, making them a more affordable option for people who need long-term supplementation

An increase to 2.8 mcg per day is necessary for this requirement during pregnancy and breastfeeding

As to the pain "going in" it may be that the needle caught a nerve or vein plus the fact that you were probably a little tense and nervous