If a compounded product contains peptide fragments, impurities, aggregates, degradation products, or an incompletely characterised active ingredient, the immune system may recognise parts of that product as foreign
Hohman TJ, Dumitrescu L, Barnes LL, et al
We never use research-grade peptides
DOI:10.3390/biomedicines9070792 Seiwerth.S, Milavic.M, Vukojevic.J, Stable Gastric Pentadecapeptide BPC 157 and Wound Healing
In placebo-controlled trials for type 2 diabetes mellitus, an injection site reaction (e.g., injection-site discomfort, erythema) was reported in 0.2% of patients receiving semaglutide
I know others do and if stored correctly out of sunlight and below 25 deg