Global Metabolic Testing Market By Product Type (Body Composition Analyzers, Metabolic Carts, and ECGs/EKGs), By Test Type (RMR Analysis, VO2 Max Analysis, and Body Composition Analysis), By End-user (Hospitals & Clinics, Home Care Settings, and Sports Performance Lab), Region and Companies – Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034