Skip to main content

Upper Normal Endocrine Range

Meaning

The Upper Normal Endocrine Range is the specific concentration band for a given hormone that falls within the statistically derived upper third or quartile of a healthy, young adult reference population, often considered the functional optimum. Clinically, targeting this range for hormone replacement or optimization aims to replicate the robust hormonal milieu of peak physiological youth, maximizing tissue signaling and function. This is a therapeutic strategy distinct from merely correcting levels to the broad population mean.