Sequences in this group are studied in preclinical research in the context of incretin signalling pathways, receptor affinity and energy homeostasis. The focus is on receptor targets such as GLP-1 and GIP, together with methodological questions of purity, solubility and storage stability within this substance class. All items are research chemicals, not for human or animal consumption, and carry no recommendation for use. Sold exclusively to persons aged 18 or over for use in laboratory, educational and research settings.