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If you are taking medications such as metformin, proton pump inhibitors, or H2 receptor antagonists, speak to your GP or pharmacist, as these can affect B12 absorption
Most users inject on the same day each week to maintain consistent drug levels
Following that, youll want to take the following steps under their supervision [5]
If you are unsure how to proceed you can always take a series of 10 shots and then monitor your symptoms after you are done to see if they get worse on weeks 11-13
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