Human data for BPC-157 is limited and low-certainty : Small case reports and pilot studies exist, including investigations into knee pain, but these do not rise to the level of large randomized controlled trials
Copper is classified as a weak sensitizer far weaker than nickel and frank copper contact allergy is documented but uncommon
This means less nausea at peak, more consistent appetite suppression at trough, and a generally smoother experience throughout the week
However, the most significant improvements in physical function typically occur once you reach a 10% weight loss threshold, which allows for substantial mechanical offloading of the knees and hips
This is likely also the case during systemic viral infections that result in severe oxidative stress (cell/tissue necrosis), a usual indication of late and failed attempts by the host to induce resistance (Hernndez et al., 2016
Others, like BPC-157, focus on tissue repair and angiogenesis