which organ produces glutathione A Review of Dietary (Phyto)Nutrients for Support Cellular Compartmentalization, Glutathione Transport and
Description
I'm not medically trained but if someone has symptoms consistent with B12 deficiency and the symptoms improve/disappear with B12 injections/B12 supplements then it would suggest to me that the person needed B12

doi: 10.3390/foods10081682 54

Effects of glycyl-histidyl-lysyl chelated Cu(II) on ferritin-dependent lipid peroxidation

Collins HE, Anderson JC, Wende AR, Chatham JC

Johansen, P

Continue for three months before evaluating results
