ghk cu peptide wound healing clinical trial Tripeptides and GhkCu-modified silver nanoparticles for enhanced antibacterial and activities GHK-Cu Peptides Before and After:
Description
Nat Rev Drug Discov 20 , 309325 (2021)

Bacteriostatic Water (BAC): This is our preferred choice for most research

So, I cannot confirm nor deny that the B12 was the bleeding cause
Last month, the Centers for Disease Control and Prevention updated its guidance to say that the second shot should be administered within the prescribed time frames where possible, but that the second dose of the Moderna and the Pfizer-BioNTech vaccines could be delayed up to six weeks, if necessary
