원래 이름 기록: Emory University

This disclosure relates to uses of 5-aminovaleric acid betaine and compositions related thereto. In certain embodiments, this disclosure relates to diagnostic assays and methods of measuring and monitoring 5-aminovaleric acid betaine levels or the ratio 5-aminovaleric acid betaine to carnitine in a sample. In certain embodiments, this disclosure relates to methods of treating or preventing muscle wasting comprising administering to a subject in need thereof an effective amount of 5-aminovaleric acid betaine, prodrug, or salt thereof.