Regular glutathione is often broken down in your digestive system before it reaches your cells
Tsuji, N., Nishikori, S., Iwabe, O., Shiraki, K., Miyasaka, H., Takagi, M., Hirata, K., & Miyamoto, K
Since its the first step in making glutathione, slow methylation can directly affect and lower levels of glutathione
Sierra-Rivera E, Dasouki M, Summar ML, Krishnamani MR, Meredith M, Rao PN, Phillips JA, Freeman ML: Assignment of the human gene (GLCLR) that encodes the regulatory subunit of gamma-glutamylcysteine synthetase to chromosome 1p21
At the same time, oxidative stress accumulates
Research has explored GHK Cu's potential role in tissue repair and skin health, which may relate to addressing visible signs of aging including those from sun exposure