where do they put b12 injections How to Give at Home to Yourself · PA Relief Vitamin C and B12 Injection

By receiving a vitamin B12 injection, you can help boost your mood and alleviate symptoms of depression and anxiety

Medically speaking, this is the vastus lateralis site (give that a google if you are unsure)

The impact of leucine supplementation on body composition and glucose tolerance following energy restriction: an 8-week RCT in adults at risk of the metabolic syndrome

If you are also buying non-eligible FSA/HSA items, you are required to make a separate transaction

Supplies needed for injecting Vitamin B12 and B-Complex 23-25 gauge needle, 1- 1 length for Intramuscular Injection Your healthcare professional will instruct per your body type and injection location