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.



Dr. Allison Smith

Allison Smith, ND is a Clinical Consultant at ZRT Laboratory.


Recent Posts

Guide: How to Assess Iodine Deficiency

Posted by Dr. Allison Smith on Friday, 28 September

ThinkstockPhotos-911966802I’m excited to do this practical piece on iodine therapy because I field a lot of questions on the matter of assessing iodine status, implementing the right iodine supplement, and monitoring that therapy.

Iodine performs some crucial roles in the body, but it never acts alone. Therefore, to assess iodine deficiency, it’s imperative to test iodine and its partners - selenium, iron, magnesium, zinc, B6, cortisol, and glutathione. To assure optimal outcomes, it’s also important to check for endocrine disruptors like bromine, cadmium, mercury, and arsenic.

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The Connection Between GABA & Sleep Disturbances

Posted by Dr. Allison Smith on Wednesday, 20 June

Man staring at clock trying to fall asleep

Gamma-aminobutyric acid, better known as GABA, is the neurotransmitter known for its affinity for GABA receptors throughout the central nervous system (CNS). It acts to inhibit excitatory processes – whether they be normal or pathological.

It's synthesized from the excitatory neurotransmitter glutamate in a process that requires vitamin B6 as a cofactor. The delicate balance in the brain between GABA and glutamate is orchestrated by shuttle systems from the Krebs Cycle, the presence of NMDA and GABA receptor modulators, enzyme cofactors, and reuptake mediators.  

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Norway, for the win!

Posted by Dr. Allison Smith on Friday, 23 February

Historic shot of Norwegian skier going off a jump

Amidst all the hullabaloo about norovirus in the Olympic village, doping in the Russian curling community, and wipeouts of truly epic proportions, the 2018 Games have certainly elevated the entertainment quotient. Norway quietly tops the list for Olympic medals in Pyeongchang this year and as a team, has steadily stepped up their game every 4 years since 2010 which for me raises the question: What can we learn from the Norwegians? 

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Evidence Shows Placentophagy (Placenta Encapsulation) Works

Posted by Dr. Allison Smith on Thursday, 28 December

168766254-555044-edited.jpg

The practice of placentophagy – a woman consuming her placenta after she gives birth – is a bit of a hot topic these days. For those of you not familiar with the practice, if you're imagining the Dothraki queen devouring the giant, bleeding heart of a horse with her bare hands, you're probably not alone. In reality, there's much less of a "yuck" factor associated with the process when consuming an encapsulated placenta, which entails heating, dehydrating, pulverizing and then placing the resulting placenta powder into capsules. The result looks more like a vitamin supplement than a bleeding heart.

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