Comprehensive biomarker testing

Explore the importance of thorough biomarker testing for tracking hormonal health, metabolic function, and overall wellness. Learn which blood panels and diagnostics give you the most actionable insights for optimizing performance and longevity.

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The essentials for comprehensive biomarker testing — then explore the latest posts below.

Normal BMI band for men: What research says and why

Normal BMI band for men: What research says and why

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 07, 2025 · 14 min read

A “normal” BMI is 18.5 to 24.9 kg/m². It is a population screening tool and does not directly measure body fat, muscle mass, or visceral fat, so use it as a starting point. Pair BMI with waist circumference, body composition, and a few core metabolic labs to decide what to change and what to track. ...

How to make the most of comprehensive biomarker testing for long-term health

How to make the most of comprehensive biomarker testing for long-term health

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 02, 2025 · 13 min read

To make the most of comprehensive biomarker testing, interpret the 100+ lab results as a multi‑marker pattern (for example, LDL cholesterol, triglycerides, C‑reactive protein, and blood pressure together) to better predict your 10‑year cardiometabolic risk than any single “high” or “low” number. Here’s how to translate that pattern into concrete choices about food, movement, sleep, ...

Normal lab range vs optimal: What science shows for men

Normal lab range vs optimal: What science shows for men

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 29, 2025 · 15 min read

A “normal” lab range is a population-based reference interval (often the middle 95%); “optimal” is the range that best aligns with your symptoms, function, and risk profile. Many men are told their blood work is “normal” even though they feel tired, softer, and off their game. Understanding optimal vs normal lab ranges can turn a ...

Gary Brecka gene test: What DNA methylation really tells you about your health

Gary Brecka gene test: What DNA methylation really tells you about your health

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 27, 2025 · 15 min read

DNA methylation tests estimate biological age and population-level risk patterns, but they cannot diagnose disease or reliably tell you which supplements you need. They measure methyl groups attached to cytosine at thousands of CpG sites and use algorithms (epigenetic clocks) to generate scores. Here’s how to read a Gary Brecka style methylation report without overpaying ...

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