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- People taking certain medications: Metformin (for diabetes) or long-term use of acid-reducing medications can interfere with B12 absorption
Long-term reactions are still unclear
During digestion, vitamin B12 is usually removed from protein and then sent straight into the bloodstream
Different B12 Treatment Options and Their Timelines The NHS and NICE guidelines recommend specific B12 treatment regimens based on the underlying cause and severity of deficiency
Dosage: some low-cost providers dilute the solution, so you may be paying mostly for saline
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