Zeltina A, Bowden TA, Lee B
Vitamin B-12 Sometimes called the energy vitamin, vitamin B-12 helps to keep the bodys nerve and blood cells healthy
The most common B12 intramuscular injection sites are the following: The upper buttocks The provider inserts the needle into the outer and upper region of the muscle
Each milliliter contains sterile water for injection with 0.9% benzyl alcohol as a preservative, helping to maintain sterility for multiple withdrawals from the same vial
The background A reader contacted Fact Checker after she was enticed to sign up for weekly B12 shots with the claim that they're a way to lose weight, increase energy and help tissue recovery after a workout
Rare side effects of B12 shots (require medical attention) Serious reactions to B-12 shots are uncommon, but its important to be aware of them: Allergic reaction, including rash, hives, dizziness, or trouble breathing Significant swelling, pain, or warmth that worsens at the injection site Palpitations or chest discomfort Signs of drug interactions, especially if you take multiple prescription medications If you experience symptoms that feel intense, progressive, or unusual, you should contact your provider right away
