For anything you are allergic to traditional allergy testing can help a lot here
Ellis PR, Kendall CWC, Ren Y, et al
Disease-specific immunopathological roles of HSPs in autoimmune disorders Patients with SLE exhibit elevated levels of IgM anti-65 kDa HSP antibodies compared to healthy controls, 421 and a significant subset overexpress HSP90
HPLC Purity Analysis Confirms the peptide is 99% pure Mass Spectrometry Verifies the exact molecular identity Heavy Metals Screening Lead, arsenic, cadmium & mercury Pass Endotoxins (LAL) Bacterial endotoxin levels Pass Sterility Testing No microbial contamination Pass Net Peptide Content Actual peptide mass per vial verified Certificate of Analysis Freedom DiagnosticPASS HPLC Purity 99% Identity Mass-spec confirmed Endotoxin (LAL) Pass Net content Verified Compound Information Full specification FAQ Common questions about Melanotan II Melanotan II (MTII) is a synthetic cyclic heptapeptide and superpotent analog of alpha-melanocyte stimulating hormone (-MSH)
Pharmacol Ther 113(3):546593 Dozio E, Vianello E, Malavazos AE, Tacchini L, Schmitz G, Iacobellis G et al (2019) Epicardial adipose tissue GLP-1 receptor is associated with genes involved in fatty acid oxidation and white-to-brown fat differentiation: a target to modulate cardiovascular risk