glutathione structure ncbi How to Increase Cellular The Role of S-Glutathionylation in
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I am not sure if the antibody tests on the market include the variants but it may give you some indication of how well you build up Antibodies

Bone (2020) 141:115627

Therefore, despite coppers promoting effects on cell survival and proliferation, and the dependence of tumor cells on copper, inducing copper accumulation in cancer cells can specifically induce the production of higher levels of ROS in tumor tissues based on the sensitivity of cancer cells to ROS and the higher concentration of copper ions in cancer tissues

Human Molecular Genetics, 8, 10691075

Some doctors may even prescribe B12 injections to prevent deficiencies before they start (especially if your bloodwork's numbers are on the low side).If you suffer from anemia or a B12 deficiency, you may need B12 as a treatment
