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Many people receive the injection once or twice a week, but your plan could be different
B12 deficiency sneaks up on you slowly
Youll also learn how to store the shots and throw away needles and syringes safely
People taking medications that interfere with B12 absorption, including metformin or long-term acid-reducing medications, often benefit from injections
How B12 Supplements Work Oral supplements pass through the digestive system, where only a small percentage is absorbed
Archived (PDF) from the original on 26 January 2017
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