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Resting Metabolic Rate (RMR)
New Patient RMR Test
Whether you’re looking to lose weight, add lean muscle mass, or, simply, boost your energy, this test gives you the metabolic data you need to build a more exact fitness and nutrition plan by telling you precisely how many calories you burn at total rest.
New Patient RMR Test
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What is an RMR Test?
An RMR test measures your baseline calorie burn—how much energy your body uses to function at complete rest. By analyzing your oxygen and carbon dioxide output, it provides insight into how your metabolism is performing and gives you the data you need to fine-tune your nutrition, adjust macros, and make training more efficient.
What to Expect
Here’s what to expect during your RMR test—from prep to personalized results.
• Before Your Test: You’ll receive detailed prep instructions in advance. In general, we recommend fasting (including caffeine) for 6 hours, avoiding exercise for 12 hours, and refraining from alcohol or nicotine prior to your appointment.
• During the Test: You’ll sit comfortably and breathe through a specialized mask for up to 30 minutes while we measure your oxygen consumption and carbon dioxide output—capturing how efficiently your body burns energy at rest.
• Review & Apply Your Results: Right after your test, a clinician will walk you through your personalized report. You’ll leave with clear, actionable data to guide your nutrition strategy, adjust calorie intake, and align your training with your metabolic baseline.
What Can This Support?
• Calories Burned at Rest: Understand how much energy your body uses without activity—your true metabolic baseline.
• Metabolic Efficiency: Identify if your metabolism is underactive, overactive, or in a healthy range.
• Fuel Utilization: See whether your body relies more on fats or carbohydrates for energy at rest.
• Personalized Nutrition Targets: Use your results to fine-tune calorie intake and macronutrient balance for your goals.
• Baseline for Progress Tracking: Re-test over time to measure how lifestyle changes or treatments affect your metabolism.
Meet Dr. Kuo
Dr. Jonathann Kuo is a double board-certified physician and a leader in regenerative and longevity medicine. As Founder of Extension Health, he combines advanced diagnostics, peptide therapy, and precision biologics to help patients optimize performance, reverse aging, and extend healthspan. With 15+ years of experience and over 2,000 regenerative procedures performed, Dr. Kuo brings deep expertise in interventional orthopedics and integrative care.
LOCATION
EXTENSION Health is located at 160 7th Ave S, New York, NY, 10014
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