Common B12 deficiency symptoms include fatigue, anxiety, depression, poor memory, confusion, brain fog, tingling or numbness in the extremities, zings or zapping feelings in the extremities, anemia, shortness of breath, muscle weakness, irritability, tender calves, pale complexion and more
If you experience any of these symptoms after taking medication, get emergency medical help right away
Thin (100 nm thick) sections were cut with a diamond knife on an Ultracut E ultramicrotome, collected onto 300 mesh copper grids and allowed to air dry
It is intended for single use once the container is opened, all contents should be used or disposed of