Peptide Sciences Large Catalog & Market Leader Peptide Sciences remains a strong second-place option due to its long-standing presence and extensive catalog
It may also be useful in the recovery from spinal cord injuries, although more research is needed to fully understand its potential in this area
But when the then-27-year-old started experiencing insomnia, he called up a doctor friend of his who suggested he get some bloodwork done
These uses remain investigational and are not FDA-approved
Peptides are not illegal to use or own, but as the BBC notes, "they are not approved for human use, so are not subject to the quality controls that govern pharmaceutical manufacturing." In 2023, under the Biden administration, the FDA classified a group of over a dozen peptides as Category 2 substances, which may "present significant safety risks," effectively banning their use
That is an important framing for anyone tempted to treat it as a shortcut: even in the animal work that generates the interest, the compound is one input alongside energy balance, not a replacement for it
