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While most men tolerate B12 well, those with Lebers disease (a rare genetic eye disorder) should avoid injections, as high doses of B12 may worsen symptoms
Following your initial treatment period, you might need to receive the shots once a month for three months, and then reduce it to once every three months
Not for everything
Key Functions of Vitamin B12: Red blood cell formation Nervous system maintenance DNA synthesis Fatty acid metabolism Energy production Signs of B12 Deficiency Not getting enough Vitamin B12 can cause health problems
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