While animal studies show promising results for tendon, muscle, and ligament repair, there are zero controlled human safety trials, and research suggests 12% to 58% of peptide products are contaminated, which is why the FDA classifies it as Category 2, and it's banned by WADA, NCAA, NFL, NBA, MLB, NHL, UFC, and PGA
So, you might be surprised to learn that you can actually get too much
No cheap amino acid blends
Stimulate collagen synthesis for firmer and more youthful-looking skin
Bepranemab, a monoclonal antibody against the microtubule-binding region, showed biomarker improvement in a Phase 2 study that ended in 2024, but people enrolled in the trial had no change in cognition
Active Malignancies (Cancer): Here's where things get incredibly nuanced, but the professional consensus leans heavily toward caution