For a weekly 1000 mcg dose, you need 1 mL if its 1000 mcg/mL
The limited volume that the nasal cavity can accommodate, approximately 100-200 microliters per nostril without runoff, means that higher concentrations deliver more peptide per spray
PMID: 19668473
Additionally, BPC-157 has shown potential to reduce inflammation, support collagen production, and improve the overall integrity of connective tissue
As with all research peptides, the absence of long-term human safety data means dose, duration, and cycling decisions should be made with a licensed provider familiar with the published literature
While the exact timeline varies for everyone, many individuals with a genuine B12 deficiency begin to experience noticeable improvements in their energy levels within a few days to a week after their first injection