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ZRT Laboratory

Sleep Balance Kit

Sleep Balance Kit

Regular price $265.00
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ZRT is the only laboratory offering testing for the circadian rhythm of melatonin in concert with cortisol and cortisone to assess sleep/wake cycle dysfunction.

Circulating melatonin is efficiently hydroxylated and conjugated with sulfate in the liver to form its primary metabolite, 6-sulfatoxymelatonin (MT6s), and excreted into urine; it is this metabolite that is measured in the Sleep Balance Profile.

Adrenal cortisol, produced in response to stress, is also known for its diurnal variation linked to the sleep/wake cycle. It has the opposite pattern to melatonin production in a healthy individual.

Sleep Balance Profile includes: Dried Urine: MT6s x4, Free Cortisol x4, Free Cortisone x4

*Photos and content courtesy of ZRT laboratory

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