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Glutathione, in its active form, contributes to strengthening the immune system

The enzyme cystathionine gamma-lyase converts cystathionine into cysteine and alpha-ketobutyrate

Key information extracted from each included study encompassed study characteristics (first author, year of publication, study design, sample size, and participant demographics), intervention details (dosage, route of administration, treatment duration, and control conditions), and primary outcomes related to lipid profiles, specifically TC, TG, HDL, LDL, and VLDL

Understanding individual patient factors that influence peptide response could improve treatment outcomes and reduce adverse effects

Acknowledgments We thank Erika Brown (WashU Med) for creating the figures

The top participants in the US convenient nutritional category include BellRing Brands Inc