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What can happen if I am left untreated from a Vitamin B12 deficiency

These may include pain, redness or swelling at the injection site, mild diarrhea, nausea, or itching of the skin

Actionable Insight: The next time you see a "B12 boost" offered, ask this simple question: "Is a registered prescriber on-site, and will they review my medical history and blood test results before treatment?" If the answer is no, or they seem hesitant, its a clear sign to walk away

While B12 injections are primarily used to treat vitamin B12 deficiency , some people with low levels may notice improvements in energy once their deficiency is addressed

It may also appear in form of breathing trouble, dizziness, or swelling

Malabsorption from coeliac disease, Crohns, gastric surgery or long-term metformin and proton-pump inhibitors accounts for much of the rest