contraindications of glutathione Vitamin C and glutathione supplementation:

Funding This work was supported by the National Key Research and Development Program of China (2019YFE0108200), Sichuan International Science and Technology Cooperation Project (2022YFH0023), Science Popularization Base Project of Chengdu Science and Technology Bureau (2022-GH03-00003-HZ), West China Hospital 1.3.5 Project for Disciplines of Excellence (21HXFH002), West China Hospital Hospital-Enterprise Cooperation Clinical Research Innovation Project (2021HXCX04), and the National Natural Science Foundation of China (82001728)

I also found that my voice was becoming more hoarse

et al., 2024

doi:10.1161/cir.0000000000001193

Green Tea Extract (5mg): Green tea is packed with antioxidants that help to soothe the skin, and protect against environmental stressors