This underscores why unexplained elevations, particularly above 1,000 pg/mL, should be taken seriously and investigated
Cobalt and Causes of a B12 Allergy The allergy can be triggered by taking vitamin B12 supplements because B12 contains cobalt atoms
Tetrameric NAD-dependent alcohol dehydrogenase
Doctors dont check B12 levels routinely, but they may do so if a patient reports symptoms such as weakness, fatigue, tingling in the extremities (neuropathy), or cognitive changes
Insider's takeaway Vitamin B12 injections are for those with a severe B12 deficiency or conditions that prevent their body from effectively absorbing the vitamin, Moreno says
Some sources recommend gentle swirling, and that is acceptable, but the best approach is often just patience