bpc 157 once a week BPC-157 vs TB-500: Complete Comparison (2026) BPC-157 Rapid Release - Renewed

Cell Rep (2020) 31(1):107472

Although some swelling is desired (we want the PRP to stay in the area for a few days to work), this can be regulated with the proper concentration of platelets (see next question about the best PRP for under eye injections)

[DOI] [PMC free article] [PubMed] [Google Scholar] 23.Zhang X, Zhang CC, Yang H, Soni KG, Wang SP, Mitchell GA, et al

It is then reabsorbed at the end of the small intestine (the ileum) and taken back to the liver where it is used again

Coverage: 500 mcg/day for 4 weeks totals ~14 mg, so a single 20 mg vial generally covers a 4-week advanced cycle with some leftover