I tried this on a whim because my doctor had told me I was deficient
The compound answers your question while simultaneously introducing new confounders
[2] : 8083 A few D-amino acids ("right-handed") have been found in nature, e } : CS1 maint: DOI inactive as of December 2025 (link) "Catabolism of Hydroxyproline in Vertebrates: Physiology, Evolution, Genetic Diseases and New siRNA Approach for Treatment"
Introduction Glutathione transferases are the most important family of enzymes involved in the metabolism of alkylating compounds and their metabolites
Exp Mol Med 53:168188 Saeedi P, Petersohn I, Salpea P, Malanda B, Karuranga S, Unwin N, Colagiuri S, Guariguata L, Motala AA, Ogurtsova K (2019) Global and regional diabetes prevalence estimates for 2019 and projections for 2030 and 2045: results from the international diabetes federation diabetes atlas
"The potential of GHK as an anti-aging peptide." Aging Pathobiol Ther