b12 injection directions Best Vitamin Site: Administering B12 Shots Vitamin B12 Injection 1000 mcg

Injectable B12 has few direct drug interactions, but certain medications can interfere with B12 absorption or measurement: Chloramphenicol: This antibiotic may antagonise the haematological response to B12 in some patients, potentially preventing the expected rise in red blood cell count

Additionally these complications were transient, easily treated and tolerated without treatment discontinuation

Foods rich in vitamin B12 include unprocessed meat, eggs, and dairy products, per Healthline

For example, if your supplement happens to be 10 g, then cutting it in half and taking the resulting 5 g supplement twice a day (at least 4 hours apart) will meet the EFSA recommendations