dtnb glutathione assay Sensitive enzymatic cycling for and glutathione disulfide content Rapid Determination of Reduced and
Description
Moreover, G289A and T337I mutations are located proximal to the ATP-binding pocket of the C-terminal domain, G289A would cause steric conflict with Ser293, and T337I would cause a hydrophobic patch on the protein surface and reduce protein solubility
HeSYCaiJJiaTJMaoZZhouLHZhangXNet al

doi: 10.2147/JBM.S474393

I agree with Steve below, they need to know and not reporting it just allows the Pharmaceutical Company to continue on without real reports

Discuss your thyroid symptoms and ask if your B12 and Folate levels have been checked recently