Assay: Glutathione in rat renal tissue
Koehler KM, Baumgartner RN, Garry PJ, Allen RH, Stabler SP, Rimm EB
Dipeptidyl peptidase III: a multifaceted oligopeptide N-end cutter: Dipeptidyl peptidase III
As Frontiers in Endocrinology (2023) confirmed: "Most known selenoproteins, such as glutathione peroxidase, are expressed in the thyroid and are involved in thyroid hormone metabolism, redox state regulation, and maintenance of cellular homeostasis." In other words, selenium's documented benefits for Hashimoto's thyroiditis are mechanistically dependent on adequate glutathione availability
& Niles, R
Each batch is independently tested by Janoshik Analytical (Prague, Czech Republic) for HPLC purity, mass spectrometry confirmation, and copper content by atomic absorption spectroscopy