Pain at the front of the knee may be caused by patellar tendinopathy, but it could also result from cartilage degeneration, biomechanical issues, inflammation beneath the kneecap, or referred pain from another structure
Pyridoxal phosphate accepts amino groups from aspartate catalyzed by aspartate aminotransferase, and alanine catalyzed by alanine aminotransferase to form Schiffs base intermediates that are subsequently reduced to form pyridoxamine phosphate
10.1089/ars.2016.6954 44 KutlarA.JoshiV.BruecknerA.KanterJ.LilesD
The 2021 Frontiers in Pharmacology review compiled the BPC-157 wound-healing literature across dermal, tendon, ligament, muscle, bone, peripheral-nerve, and vascular tissue categories (PMID 34267654)
We don't have long-term data on this use pattern