Gary Brecka gene test: What DNA methylation really tells you about your health
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 27, 2025 · 14 min read
DNA methylation tests measure methyl groups attached to cytosine at thousands of CpG sites and use algorithms (“epigenetic clocks”) to estimate biological age and population-level risk patterns, but they aren’t validated to diagnose disease or reliably tell you which supplements you “need.” Here’s how to read a Gary Brecka–style methylation report without overpaying for hype ...