can vitamin b12 injections cause side effects Injection and Safety Why do I feel worse

4 PubMed (2021)LC-MS/MS assay for 5-amino-1-methylquinolinium: pharmacokinetics and oral bioavailability

Low vitamin B12 can lead to multiple dermatological symptoms such as hyperpigmentation, discoloration of nails, vitiligo, changes in hair, and angular stomatitis

The Food and Nutrition Board, the National Academy of Sciences-National Research Council recommend that lactating women should consume 4 mcg of vitamin B12 daily.[16] Storage Store this medication at 68F to 77F (20C to 25C) and away from heat, moisture and light

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