is sublingual b12 as good as injections Vitamin vs. Oral Supplements: Which Do You Actually Need? B12 Injections vs. Oral Supplements:
Description
This makes NAD a great choice for those whose work requires a lot of mental energy
doi: 10.1186/2251-6581-12-17
Patients should also report recreational nitrous oxide use, as this can inactivate vitamin B12 and cause neurological symptoms
Taking high-dose oral B12 supplements can also greatly increase blood levels here, the same period of 7-10 days should be observed before testing
