is there any side effects from b12 injections Shots: Vitamin B12 Benefits, Uses, Risks Potential Vitamin B12 Injection Side
Description
In more rare yet severe cases, you may experience irregular heartbeat or trouble breathing

On contrary it could be associated with opposite effects ( We did not perform a double-blind study

These injections last just under a week, so it is recommended to receive the injections twice a week, and include a Vitamin B12 shot for maximum benefit

Healthier skin, hair, and nails
