B12 shots can have mild side effects like diarrhea and swelling at the injection site. Vitamin B12 injections are an effective way to treat a deficiency, but they're not for everyone. In fact ...

Time your B12 supplement right with these dietitian-backed recommendations. Reviewed by Dietitian Maria Laura Haddad-Garcia ...

Read on to learn everything you need to know about vitamin B12 deficiency, supplements and injections. Vitamin B12 contains ...