Saliva tests may not have accurate results in elderly patients who have limited saliva output.
Saliva tests may show your hormone is higher than normal levels when you are using hormonereplacement. Single saliva tests provide a 'snapshot’ assessment of hormones that fluctuate ina 24-hour period.

Benefits
For how to check hormone levels, saliva test is a simple non-invasive method. It is useful for monitoring cortisol levels according to your circadian rhythm. It can also be useful for assessing monthly cyclical estrogen and progesterone output in peopel.

How to collect saliva
You should collect saliva within 30 minutes after waking up and prior to eating or drinking, exercising
and brushing or flossing your teeth.
Read more on the Collection Instructions provided in your collection kit. To get accurate results,make sure your collection all tubes are filled with at least ? to ? full, excluding the bubbles.
We need a saliva collection kit that improves our ability to easily collect relevant high quality samples in the time frame we need for this project http://www.meditechswab.com