intravenous glutathione skin lightening randomized controlled trial for lightning: A regnant myth or evidence-based verity PDF) Glutathione for skin lightening:
Description
Typically administered weekly, they can be given intramuscularly or subcutaneously

A particularly encouraging point is that BPC-157 has a very safe action profile, which has been confirmed in conducted studies

[PubMed] [Google Scholar] Fearnley, J
2005 Jul;68(7):1103-5

Sharma A, Das J (2019) Small molecules derived carbon dots: synthesis and applications in sensing, catalysis, imaging, and biomedicine

Most people find that starting with 200-400 mcg per day is a good range, but its always best to get advice from a healthcare professional based on your specific needs
