For women

Hormones.

Estrogen, progesterone, and testosterone work as a system. The signal you feel is the imbalance between them, not the absolute number. This is how I read them.

Try the tool

Read your hormonal signature.

A short symptom check. See which hormonal pattern your signal leans toward, and what a Plan would measure first. Free, runs in your browser, no email required.

Open the tool