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Description
The SERCA2b is downregulated but more active due to glutathionylation of the redox-sensitive cysteine

This unusual -linkage protects glutathione from degradation by standard peptidases and is the key structural feature that distinguishes it from other tripeptides

Extremely rare side-effects include allergy and embolism

Nutrients 14(17):3474 Hou K, Wu Z-X, Chen X-Y, Wang J-Q, Zhang D, Xiao C, Zhu D, Koya JB, Wei L, Li J (2022) Microbiota in health and diseases