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immediate effects of b12 injections Feeling worse after Injection: Answering concerns B12 Shots Side Effects And
Description
Take care to avoid contamination when opening sterile equipment

Age-related changes in gastric function can reduce food-bound B12 absorption whilst synthetic supplement absorption remains adequate

This is particularly critical if you take other medications

doi: 10.1038/nm1072

BMJ Open

Unfortunately, this is the potential scenario of peptide marketing and use in such an unregulated environment
