Provided are methods, compositions, systems, and kits for treating metabolic syndrome or a disorder associated with metabolic syndrome, e.g., obesity, dyslipidemia, and/or a diabetic condition, comprising administering systemically to a subject one or more compounds of the Formula (I) and/or (II): or a pharmaceutically acceptable salt, hydrate, solvate, stereoisomer, polymorph, tautomer, isotopically enriched derivative, or prodrug thereof, wherein , L, R1, R2, Z, X, A and B are defined herein.