There has not been a UL (upper intake level) established for B12 because it is not stored in your body and therefore, can not build up enough to cause serious adverse side effects for most people
Consistent with a protective effect of vitamin therapy, higher plasma homocysteine levels were associated with an increased risk of new cardiovascular events in normohomocysteinemic but not in vitamin-treated hyperhomocysteinemic subjects
Inject 1-2 cm to the medial or lateral side of center
This could mean that you have an infection
Treatment with vitamin B 12 may unmask this condition
It is required for neurological function, DNA creation, red blood cell formation, homocysteine regulation (an amino acid recognized as being a marker for a number of diseases), and acts as a cofactor for a number of processes and reactions in the body