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The sulfhydryl group (SH) of cysteine serves as a proton donor and is responsible for its biological activity
Selenium is an essential trace element that forms part of glutathione peroxidase, the enzyme that uses glutathione to neutralise hydrogen peroxide and lipid peroxides an indispensable cofactor for glutathiones action
Benefits like energy, digestion, and immune defenses build and compound with consistent use over time
Its also one of my most-used serums for dealing with dark spots or allover dullness
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