How-To Videos

Hormone Testing - Saliva Collection

Saliva testing is a convenient, inexpensive, and above all, accurate means of testing steroid hormones. Scientific studies have shown a strong correlation between steroid hormone levels in saliva and the amount of hormone in the blood that is active or “bioavailable.”

Hormone Testing - Blood Spot Collection

ZRT is committed to making laboratory testing simple. ZRT has some of the most advanced technologies, state of the art methodologies, and services all helping you better manage your health and well being. This video demonstrates the simplicity of blood spot collection at home.

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