What it is
A peptide fragment from a protein in stomach juice.
How it helps
Speeds healing of tendons, ligaments, muscle and the gut, in animal studies.
What to watch for
Human data is a few tiny pilot studies. In theory it encourages new blood vessels, so avoid it with any history of cancer.
These are compounds to research, not a protocol to copy. Education and my opinion, not medical advice. Talk to a doctor, especially before combining anything with prescription medication. Shop links are affiliate links: tapping one opens the store and copies my code.