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And despite the fact that this is well established in the literature, you wouldnt know it based on how many doctors continue to order serum B12 levels
Many experienced users report optimal outcomes in the 0.25mg to 0.5mg range, with diminishing returns above that level
What happens if vitamin D and B12 deficiencies are left untreated for years
Understanding treatment duration planning is critical for setting realistic expectations
Taking 2 milligrams or less a day of vitamin B12 in supplements is unlikely to cause any harm.
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