are there any negative side effects of bpc 157 BPC-157: Tendon Repair and More Does BPC-157 Cause Erectile Dysfunction?

These peptides have not been proven safe or effective through the rigorous clinical trial process that FDA-approved drugs must pass

The heart, being the main organ of the entire circulatory system, functions as a pump that continuously circulates blood throughout the body

While most individuals obtain sufficient amounts of vitamin B12 through their diet, some individuals may require supplementation due to certain health conditions or lifestyle choices that can lead to vitamin B12 deficiency

doi: 10.1038/nrd781

If a peptide doesn't hit one of those buckets, it is an unapproved new drug, he says

The ERK1/2 pathway is a major signaling cascade involved in cell growth, proliferation, and differentiation, including processes vital for angiogenesis