It is synthesised in the cytosol by glutamate-cysteine ligase (EC 6.3.2.2) and glutathione synthetase, with the first, rate-limiting step feedback-inhibited by glutathione itself and intracellular concentrations typically 1 to 8 mM (Griffith, Free Radical Biology and Medicine, 1999)
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But theyre often an unfortunate reality for many people taking semaglutide, the active ingredient in Wegovy , Ozempic , and Rybelsus
They have come into the limelight after a large double-blinded study published in NEJM, showed an average 14.9% decrease in weight in obese patients given semaglutide on top of lifestyle modifications, compared to 2.4% in the control arm (see research summary at end)
It appeals to individuals looking for fast results, leading to skin-lightening effects