Most published research uses injection
But I find in my anecdote, as you will, is it has been extremely safe
A vendor unwilling to publish HPLC/MS results for the batch you're buying has nothing to verify their purity claim against
The Clinical Default at Beyond Stem Cells For tendinopathy, ligament sprains, muscle injuries, joint pain, and most systemic indications, we default to subcutaneous injection
BPC-157 helps in healing from these issues and in reducing inflammation
Delivery Methods for PRP, PRF, Exosomes, and Peptides Platelet Rich Plasma, Platelet Rich Fibrin, Exosomes and Peptides are usually not topical treatments although they can be used that way