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However, they are not a substitute for professional medical advice, diagnosis, or treatment
Taking large amounts of supplements without medical advice may delay the diagnosis of another condition causing similar symptoms
Your GP will be aware of medicines that can affect your vitamin B12 levels and will monitor you if necessary
While generally considered safe, high doses may affect the fetus or baby, so professional guidance is essential
However, over longer periods , the changes can be significant think losing fat while gaining or preserving muscle , leading to a leaner, stronger physique
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