is glutathione an essential nutrient 9 Health Benefits of IV Therapy Benefits for Wellness,

[DOI] [PMC free article] [PubMed] [Google Scholar] Itoh K, Tong K-I, et al

Comparative analyses further highlight these source-dependent disparities, revealing that the chondrogenic potential of both BMSCs and AD-MSCs in the presence of TGF-3 exceeds that of annulus fibrosus-derived MSCs (AF-MSCs) (Park et al., 2011b)

Immunity 41, 529542

Here is a critical point that trips people up

SP could ameliorate colitis and intestinal epithelium disruption in DSS-induced mice, and the in vitro inflammation model of tumor necrosis factor-alpha (TNF-)-stimulated human colon carcinoma cell line (Caco-2), which was dependent on its specific receptor NK1R

It kills malignant cells but may also be inappropriately activated in ischemic injury and neurodegeneration 811