Longevity Medicine
What Is Metabolic Health?
Last reviewed: May 2026 · Haute MD Editorial Team
Metabolic health refers to how efficiently the body processes and uses energy — encompassing blood glucose regulation, insulin sensitivity, lipid metabolism, blood pressure, and body composition. Only approximately 12% of American adults meet all five criteria for optimal metabolic health: normal blood glucose, blood pressure, HDL, triglycerides, and waist circumference without medications.
Five criteria of metabolic health
Fasting glucose <100 mg/dL, blood pressure <120/80, HDL >40 (men) / >50 (women), triglycerides <150, and waist circumference within healthy range — all without medications.
How to improve metabolic health
Resistance training, Zone 2 cardio, prioritizing protein and fiber, reducing refined carbohydrates and ultra-processed foods, quality sleep, and stress management are the foundation.
Frequently Asked Questions
Can I be metabolically unhealthy at a normal weight?
Yes — 'normal weight obesity' or TOFI (thin outside, fat inside) is increasingly recognized. Visceral fat and insulin resistance can exist at any body weight.
What is the best test of metabolic health?
Fasting insulin and HOMA-IR are the most sensitive early indicators of metabolic dysfunction.
How fast can metabolic health improve?
Significant improvements in insulin sensitivity and glucose regulation can occur within 2-4 weeks of consistent lifestyle changes.
Get Help Now
Speak with a Haute MD Longevity Medicine physician
Dr. George Kaltner
CEO
Longevity Medicine · Miami Beach, FL
View Profile
Dr. Alexander Golberg
Longevity Medicine · New York, NY
View Profile
Dr. Steven Victor
Regenerative Medicine Specialist
Longevity Medicine · New York, NY
View ProfileAre you a Longevity Medicine physician?
Join Haute MD Network and have your profile featured alongside these answers.
Apply for the NetworkRelated Guides
Guide · LONGEVITY MEDICINE
What Is Continuous Glucose Monitoring?
Continuous glucose monitoring (CGM) tracks blood sugar in real time, revealing metabolic patterns invisible to standard tests. Learn how CGM benefits non-diabetics.
Read GuideGuide · LONGEVITY MEDICINE
What Biomarkers Matter Most for Longevity?
The most important longevity biomarkers include ApoB, fasting insulin, hsCRP, testosterone, and VO2 max. Learn which biomarkers to track for healthspan.
Read GuideGuide · LONGEVITY MEDICINE
What Is Longevity Medicine?
Longevity medicine extends healthspan through advanced diagnostics, biomarker optimization, and preventive interventions. Learn what longevity medicine is.
Read Guide