why is aluminum in b12 injections Methylcobalamin Injection (Vitamin B12) Vitamin B12, Cyanocobalamin, Injection, 1000mcg/mL,

There might be a little bruise for a day or so

4.1.3 Mice and in vivo experiments All animal experiments were approved by The Institute of Cancer Research Animal Welfare and Ethical Review Body and performed in accordance with the UK Home Office Animals (Scientific Procedures) Act 1986, the UK National Cancer Research Institute guidelines for the welfare of animals in cancer research and the ARRIVE (animal research: reporting in-vivo experiments) guidelines

Your body cant make B12 on its own, so B12 needs to be consumed through nutrient dense foods or taken a supplement

Stronger Immune Function Vitamin B12 is also essential for a healthy immune system