If youre newer to this category of medicine generally, our guide on what peptide therapy is covers the basics of how peptides differ from hormones and traditional pharmaceuticals
Examples include: Sermorelin FDA-approved for diagnostic testing of growth hormone secretion (commonly used off-label for growth hormone optimization) Tesamorelin FDA-approved for reduction of excess abdominal fat in HIV-associated lipodystrophy Semaglutide (Ozempic, Wegovy) FDA-approved for type 2 diabetes and weight management Thymosin Alpha-1 FDA-approved in some countries, available via compounding in the US Category 2: Compoundable Peptides (Under FDA Discretion) These are peptides that are not FDA-approved drugs but can be compounded by licensed 503A or 503B pharmacies under specific circumstances, typically when theres a medical need and no FDA-approved alternative exists
Some people have speculated that high vitamin B12 levels could suggest the possibility of cancer, including leukemia, colon cancer, or breast cancer
Professional guidance is always advised
Common Mistakes to Avoid Storage and Stability Lyophilized powder and reconstituted solution age differently, but there is no universal storage schedule for every peptide or formulation
Our comparison of peptides vs retinol explains why the two are complementary rather than interchangeable