Formulations are provided that comprise compounds having inter alia good duration of action, high potency and/or convenient dosing regimens, and a permeation enhancer for transmucosal administration. The compounds are engineered polypeptides which incorporate an albumin binding domain in combination with one or more biologically active polypeptides. The pharmaceutical compositions provided are suitable for methods of treatment for diseases and disorders including obesity and overweight, diabetes, dyslipidemia, hyperlipidemia, Alzheimer's disease, fatty liver disease, short bowel syndrome, Parkinson's disease, cardiovascular disease, and other and disorders of the central nervous system.
