Additional information Peer review information Nature Communications thanks Yusuke Inoue and the other, anonymous, reviewer(s) for their contribution to the peer review of this work
In 2026 the FDA moved several of these peptides back to Category 1 status, so they can be prescribed through licensed compounding pharmacies, though the agency notes the clinical data is still limited
Take your dose and continue your normal weekly schedule
Otherwise the increased energy, mental clarity, radiant skin, improved metabolism, immune support, and athletic recovery resulting from regular vitamin injections is worth it to our current patients
Turns out, creatine does more than feed your muscles