PeRx delivers it as a subcutaneous injection, oral glutathione is largely broken down before it reaches your cells, so injection gives far higher bioavailability
Elevated serum B12 levels often indicate underlying conditions such as haematological disorders, liver disease, or renal impairment rather than toxicity from supplementation
Research-grade GHK-Cu vs cosmetic copper peptide serums compared: purity, concentration, COA data, delivery systems, and bioavailability differences explained
10.1073/pnas.1322269111 16 ChenG.RanX.LiB.LiY.HeD.HuangB.et al (2018)
We use pharmaceutical-grade peptides and design protocols that complement lifestyle changes, nutritional supplements, and long-term wellness planning
doi:10.1016/j.jaip.2019.07.003 9Rose M, Vogrin S, Chua KYL, et al