After blocking with 2% bovine serum albumin (BSA) in PBS for 1 h at room temperature, cells were incubated overnight at 4 C with primary antibodies (diluted 1:100 in 1% BSA)
A cautionary note for all health care practitioners
Peptides are not illegal to use or own, but as the BBC notes, "they are not approved for human use, so are not subject to the quality controls that govern pharmaceutical manufacturing." In 2023, under the Biden administration, the FDA classified a group of over a dozen peptides as Category 2 substances, which may "present significant safety risks," effectively banning their use
Now it is stopping existing ones
Injectable GHK-Cu Users Injectable GHK-Cu is used for more systemic effects: Systemic anti-aging and gene expression modulation Enhanced wound healing for deep-tissue injuries Systemic anti-inflammatory effects Comprehensive regenerative protocols (often combined with other peptides) Injectable users tend to be patients in more intensive anti-aging or regenerative programs supervised by specialized practitioners