Ergothioneine, a derivative of the amino acid histidine, is naturally synthesized by various bacteria and fungi. It can be found in most types of mushrooms, with oyster, porcini, portobello, white button and shiitake containing particularly high amounts. Numerous studies have demonstrated that ergothioneine is a potent antioxidant capable of helping skin maintain its defenses against environmental stressors and oxidative damage for longer periods of time by protecting its endogenous antioxidants from degrading.
Ergothioneine, a derivative of the amino acid histidine, is naturally synthesized by various bacteria and fungi. It can be found in most types of mushrooms, with oyster, porcini, portobello, white button and shiitake containing particularly high amounts. Numerous studies have demonstrated that ergothioneine is a potent antioxidant capable of helping skin maintain its defenses against environmental stressors and oxidative damage for longer periods of time by protecting its endogenous antioxidants from degrading.
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