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Fortunately, this symptom is entirely reversible, so you dont have to worry about permanent damage

In addition to multivitamins, B12 is found in dietary supplements that contain vitamin B12 alone in high doses or vitamin B12 combined with nutrients like other B vitamins (this is called a B complex vitamin) or folic acid

It's important to note that while B12 injections are generally safe, they can cause side effects in some people, such as itching, swelling, and redness at the injection site, and in rare cases, more serious allergic reactions

It is involved in nearly every system that keeps you feeling alert, focused, and physically capable