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Another study focusing on cognition in Alzheimers disease found that a supplemental formula containing a building block of glutathione did suggest improvements in cognition

However, its important to note that the results of glutathione injections as a skin-whitening treatment can vary from person to person, and their effectiveness remains somewhat unpredictable

The relevance of this observation extends to the wider family of GPCRs, with individual effects almost certainly receptor-specific, as both -arrestin-biased 54 and G protein-biased 55 ligands have proved effective for individual receptors in preclinical studies