Regulates muscle mass and libido.

Regulates muscle mass and libido.

Regulates thyroid activity.

Regulates reproductive health.

Balances estrogen and supports pregnancy.

Unbound thyroxine, indicating thyroid function.

Supports energy and stress response. Precursor for androgens and estrogens.

The primary stress hormone. Involved in energy and recovery.

Detects autoimmune thyroid conditions.