Vitamin B12, or cobalamin, is a fundamental nutrient required for DNA synthesis, red blood cell formation, and neurological health
Many of this studys subjects also had ligament sprains and tendon issues, which often heal on their own over time, so its unclear if these improvements were due to the peptide or just the passage of time (the study had no control group)
Medicine has a very hard time telling a patient "we have no idea", never mind how frequently that is in fact the case
Even just a teeny, tiny contact can mix layers and reduce PRP quality
Batch-specific certificates published online
But the FDAs compounding restrictions effectively cut off the most legitimate supply chain most people had access to