b12 injections vs eating meat Q&A: Shots Can Vitamin B12 Injections Aid

It supports red blood cell formation, improves oxygen transport, reduces fatigue, and helps restore overall energy and vitality in affected individuals

You can certainly combine the shots in the same syringe, but I do not recommend it (unless you are an expert), because if you get an air bubble in the syringe, as you extract the liquid from the vial, you will need to slowly return the liquid into the vial and re-extract it again till theres no bubbles

We always recommend moving toward healthier eating more protein, fewer processed foods, better meal timing

Experts are studying it's natural anti-depressant effects and use in treatment of bi-polar disorder, OCD, bulimia, ADHD, Autism, schizophrenia, and Alzheimers disease

Note: this is not the same as having a metallic taste in your mouth, which can be a sign of vitamin B12 deficiency