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Because B12 levels arent checked during routine blood work, a deficiency can go undetected for years, Dr
Always consult with a healthcare professional for personalized advice and instructions
[7] In addition, oral contraceptives have been noted to lower serum B levels, though this effect is usually clinically insignificant
The dorsogluteal muscle may seem the preferred choice because it is so large, but IM injections pose risks as there are major blood vessels and nerves located there, including the sciatic nerve
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