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While glutathione is available in oral or topical forms, its absorption through the digestive tract is limited

The Author(s) 2026

doi:10.1111/luts.12212 Jhang JF, Lin TY, Kuo HC

Written by Elena Brull, FNR, Functional Nutrition Researcher & Womens Health Journalist About the Author Elena Brull, FNR, is a Functional Nutrition Researcher and Womens Health Journalist specializing in integrative approaches to hormonal balance, nutrition, and longevity

Antioxid Redox Signal 2000

Additionally, metformin can improve endometrial receptivity by increasing the expression of GLUT4 in the endometrium, regulating the expression of hormone receptors related to endometrial decidualization, and modulating autophagy and nucleic acid/protein transcription processes, which in turn improves the reproductive outcomes of PCOS