Free Interactive Tools

Run your own numbers. Right now.

Two calculators scored against functional reference ranges, not sick-population averages. No account needed. Enter your lab values and see where you actually stand.

Full Marker Reference

Functional ranges for all 31 biomarkers.

See exactly where the functional optimal ranges sit for every marker we review — from thyroid cascade to sex hormones, metabolic panel, micronutrients, and inflammation markers.

View All 31 Markers →

Calculators show you where you stand.
A scan shows you why.

These tools give you a window into your data. A full QEST4 scan or lab intelligence review gives you the complete picture and a protocol built from it.