does bpc 157 effect testosterone Peptides for Optimal Levels BPC-157 TB-500 Erectile Dysfunction Effects:
Description
You can also see below some special (proprietary) peptides like LIVV FOREVER. Its not just that any of these peptide preps are unproven, but get a hold of how much an injection costs

Key finding: AOD 9604 increased type I collagen synthesis 2.1-fold and decreased MMP-1 expression by 64% in human fibroblasts
This does not make it the most effective, which remains debated, but it does make it among the best characterized for safety
Cycle 2 to 4 weeks on, 2 to 4 weeks off