Biomarker Library

The primary estrogen of the reproductive years.

Confirms ovulation and balances estrogen in the luteal phase.

Supports libido, muscle, mood, and energy in women too.

An adrenal reserve marker and precursor to other sex hormones.

Determines how much of your sex hormone is actually available.

Maps your stress-response rhythm across a full day.

The pituitary's signal to the thyroid, and the usual first screen.

The unbound storage form of thyroid hormone.

The active thyroid hormone that actually drives metabolism.

Flags autoimmune activity against the thyroid.

Your average blood sugar over roughly three months.

Often the earliest signal of metabolic strain.

Your iron storage level, and a top cause of unexplained fatigue.

A hormone-like nutrient affecting bone, immunity, and mood.

A sensitive marker of low-grade systemic inflammation.

Counts the atherogenic particles a standard lipid panel can miss.

Distinguishes gut inflammation from functional symptoms.