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Free Cortisol - 24 Hour


Cortisol is a stress hormone produced by the adrenal glands. It is vital to survival given its role in functions such as immunity, regulating blood pressure and releasing insulin for blood sugar maintenance.

What might a low result mean?

Low levels of cortisol (Addison's disease) can lead to fatigue, nausea, skin discolouration and low blood pressure.

What might a high result mean?

Continually elevated levels of cortisol can be due to chronic stress or more rarely a condition called Cushing's syndrome.

Raised cortisol levels can lead to rapid weight gain, especially around the waist, excessive body hair in women and loss of libido and erectile dysfunction in men.