By introducing pre-formed, active glutathione directly into the bloodstream, it bypasses the energy-intensive cellular synthesis process that is often impaired in ME/CFS and Long COVID
10.1161/CIRCRESAHA.116.305372 Circ Res
this activation initiates the IFN-I response, thereby modulating the hosts antifungal immune defense (Yang et al., 2018)
Its also why there are so many products to choose from
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
IGF-1 LR3 Research Overview Engineered as a long-acting variant, IGF-1 LR3 is widely examined for its impact on muscle cell growth and regeneration