Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — Testing Methods
Creating Balance: Norepinephrine, Epinephrine, Cortisol, and the Stress Response
Posted by Ben White on
Tracy Tranchitella, ND, ZRT Laboratory If you have ever experienced a near-miss collision or other accident, you have likely felt the rush of adrenaline coursing through your veins almost instantly. In that moment, your heart rate, blood pressure, and respiratory rate increased, your pupils dilated, and your brain felt immediately more alert. These are the effects of adrenaline, otherwise known as epinephrine, which is produced in the adrenal medulla when we encounter a significant stressor. In a “life or death” situation, the stress response can literally save our lives by readying us to act and facilitating a physiological response...
Testing Methods and Safety
Posted by Ben White on
At-home hormone testing using saliva, dried blood spot and dried urine collection is not only more convenient than clinic-based blood draws — it is also safer, more accurate for certain hormones, and essential for capturing time-sensitive samples like waking cortisol or first-morning melatonin. This article explains how each collection method works, why dried samples carry minimal infection risk, and how ZRT Laboratory’s CLIA-certified processes ensure reliable results.