Better starts here. Composition ID combines the latest in health and fitness technology with nutrition coaching and real-time support to help clients look, perform and feel their absolute best. We use science-based technology with proven methods and techniques to bring a clear understanding of body composition and metabolic health. Our team offers personalized coaching with experts who are trained to create health and fitness plans, and provide comprehensive support for tracking progress and reaching optimal performance. Services include DEXA scanning, Resting Metabolic Rate (RMR) testing and analysis, VO2 max testing, nutrition coaching, and blood chemistry analysis. Offices are located in Washington, DC; Arlington, Virginia; Bethesda, Maryland; Baltimore, Maryland; and Houston, Texas.