The ZRT Laboratory Blog

The ZRT Blog is an extensive resource for patients and health care providers searching for health and hormone testing information. Here, you can read about ZRT’s cutting edge research, advances in testing, wellness advice, and health industry highlights.

A Case Study for Menopause Awareness

Posted by Margaret Groves on Friday, 14 September

Looking for case studies on how neurotransmitter testing can help patients? Want to learn more about interpreting these tests?

Read More

Glycine – A Small Molecule with a Big Impact on Sleep

Posted by Dr. Kate Placzek on Friday, 10 August

Well-rested woman waking up in the morning

Glycine has a calming effect on the brain – it helps you wind down and prepare for sleep. Its role as an inhibitory neurotransmitter has been unfolding over many years of ongoing research efforts.

Easily one of the most versatile amino acids, glycine serves as a building block to proteins (collagen, the most abundant protein in our body, is one-third glycine), and is heavily utilized for the production of heme, DNA and RNA synthesis, glutathione formation, and for enriching the body’s capacity for methylation reactions [1] [2].

Read More

The Secret to Successfully Marketing Your Practice

Posted by Pattie Ptak on Friday, 03 August


Doctor and colleague planning marketing strategyI recently helped a doctor with three problems he was having in his practice:

  • First, he was not getting enough new patients in the door.
  • Second, he had recently purchased new equipment and the utilization (sales) were far less than expected.
  • Third, he recently completed a respected industry certification program, but patients were not beating down the doors to take advantage of his new expertise.

He seemed to be doing all the right things…

Read More

Five Common Sources of Mercury Exposure

Posted by Ted Zava on Friday, 27 July

X-Ray of teeth with fillings that contain mercury

Mercury is one of the most toxic heavy metals. There are numerous natural and man-made sources of mercury, but the most concerning are the ones we are exposed to daily. Mercury is known to affect the nervous, circulatory, immune, reproductive, and digestive systems, along with organs such as the kidneys, lungs, and gastrointestinal tract. Mercury primarily targets sulfhydryl groups (sulfur) and selenium, for which it has a high affinity. Later in this blog is a list of the most common sources of mercury exposure, but before we get into that, it is important to distinguish the three different types of mercury and their common exposure routes.

Read More