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Front Immunol 14:1269451 Kumar P, Liu C, Suliburk J et al (2023) Supplementing glycine and N-acetylcysteine (GlyNAC) in older adults improves glutathione deficiency, oxidative stress, mitochondrial dysfunction, inflammation, physical function, and aging hallmarks: a randomized clinical trial

Microbial fermentation-based glutathione is the fastest-growing segment through 2032, since this production method delivers a combination of scalability, purity, and sustainability that traditional extraction methods cannot match

Still, research on whether glutamine supplements can improve gut health is mixed

Zou Z, Li L, Li Q, Zhao P, Zhang K, Liu C, Cai D, Maegele M, Gu Z, Huang Q

Molecular biomarkers of cognitive impairment have been extensively studied, but clinical correlation is crucial in screening for cognitive impairment in SSD and ASD