It is now possible to determine the concentration of glutathione (GSH) in living human brains using magnetic resonance spectroscopy (MRS), with multiple MRS studies showing depleted brain glutathione (GSH) levels in all the major neurodegenerative diseases [6-9]
Because the peptide never sits in warm liquid during the process, freeze-drying limits the reactions that would otherwise degrade it, such as hydrolysis (the breaking of peptide bonds), oxidation, and deamidation
But thats not the majority of patients
The ARRIVE 2.0 checklist (Animal Research: Reporting of In Vivo Experiments) has become standard for any publication and covers 21 items (design, sample size, randomisation, blinding, statistics, ethics)
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