hypothesis glutathione persister cells The macrophage–bacterium mismatch in formation: Trends in Microbiology Frontiers | Exogenous cystine increases

Another study confirmed that L-theanine and caffeine had additive effects on cognition and attention in 20 healthy men (61)

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58 By using error-prone PCR, the combined mutant S131Y/Q252I was obtained, resulting improved activity (214 U mg 1 versus 120 U mg 1 for wild-type enzyme) and the half-deactivating temperature (T50, for 15 min incubation, increased by 2.3 C)

Zhao et al., 2024)