administering vitamin b12 shots: b12 injection sites How to Perform a Subcutaneous of Optimal B12 Injection Sites for
Description
You lose the copper peptide benefit and the vitamin C antioxidant benefit in one step

It also plays a role in neurotransmitter production, affecting mood and cognition

The procedure takes only a few minutes, making it one of the fastest clinical options for targeted B12 supplementation

If you have a mild deficiency, B12 pills might work