can you take b12 oral and injections vs. Supplements: Which Is Better? Vitamin B12 Oral vs Injection​

in other words, hospitals have been subject to this requirement for more than 4 years and failing even to try to comply with the requirement renders any effort to ( accept responsibility or commit to future compliance less credible than a hospital whose efforts to comply have simply fallen short

To convert mcg to mL, you need to know the B12 preparations concentration

Readers are encouraged to learn more about the research implications and responsible use of these compounds in the lab

doi: 10.1007/s00277-002-0560-6

If you follow a strict vegan or vegetarian diet, getting enough B12 from food alone can be a real challenge