However, the researchers the trial was marked as completed, but in 2016 they cancelled submission of the results never published the results This is a red flag: we dont know if an issue or toxicity was discovered, or if it was simply a business decision
Format note Capsule products are commercial supplements, not FDA-approved drugs
Patients often find they have more stamina for physical activities, making it easier to stick to exercise routines
Other types, like hydroxocobalamin, might be used for different reasons
It is used to maintain normal blood levels in people with pernicious anemia who have already been treated with vitamin B12 injections and are stable
B12 is water-soluble, and excess is excreted, so the priority is steady intake rather than occasional very high doses