doi: 10.3389/fonc.2021.751183 29 WangJToregrosa-AllenSElzeyBDUtturkarSLanmanNABernal-CrespoVet al
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It: Helps fight oxidative stress Supports skin repair Reduces free-radical damage Promotes a brighter, more even skin tone Topically, glutathione can help improve dullness and uneven pigmentation over time
Together, these factors may contribute to a gut ecosystem better equipped to support your body's natural metabolic signaling
If you stop suddenly: You might notice rebound dullness or breakouts (especially if skin was already sensitive) Oxidative stress can spike temporarily, especially if theres no antioxidant support from diet or skincare If you taper: Your body has a chance to adjust its GSH homeostasis more gently You can monitor changes and compensate with diet, skincare, or other supplements A lot of U.S.-based functional medicine docs recommend a cycling approach on for 3 months, off for 1
doi: 10.1152/ajpgi.00251.2016