Storage of compounded peptides follows the same principles as brand-name formulations but often requires more attention because compounded products may lack the stabilizers and preservatives found in manufactured drugs
Most long-acting GLP-1 receptor agonists (including semaglutide, liraglutide, and dulaglutide) also carry this warning, though not every short-acting agent does
Endotoxin testing is particularly critical because bacterial endotoxins can cause severe febrile reactions, septic shock, and even death, and they can't be removed by standard sterilization methods like autoclaving - they must be prevented through proper manufacturing controls and detected through specific testing
Lancet Diabetes Endocrinol (2020) 8(5):37791
COA information, when available, is shown on the product page or through the Nordexa COA page
If you follow my editorial policy from my pro triathlete days, I only use and recommend products that I actually use