What exactly is vitamin B12
For some reason, and I can find no scientific basis for this, that recommendation was changed in 1974 to an injection every two months and then in 1984 to every three months
GLP compliance is regulated by national authorities (the FDA in the United States, OECD member nations more broadly) and involves oversight of laboratory organization, study design, data integrity, and document management
Every vial ships with a third-party COA confirming identity, purity (99% HPLC), and peptide integrity
The fourth component, GHK-Cu, will be voted on in a subsequent February 2027 meeting HHS has announced that GHK-Cu is expected to return to Category 1 (after being moved to Category 2 in September 2023), which would restore compounding access for injectable formulations. The recommendations of the PCAC are non-binding but noteworthy