Your Energy Isn’t
Random It’s
Rhythmic
WHEN YOUR NERVOUS SYSTEM HEALS, EVERYTHING CHANGES
Burned Out,
Wired, or
Exhausted?
Your Cortisol Pattern May Hold the Answer
Discover how your stress response is functioning through advanced cortisol testing and personalized support, so you can understand your energy, sleep, and nervous system at the root.
WHAT IS CORTISOL?Cortisol is your body’s primary stress hormone, produced by the adrenal glands and regulated by your HPA-Axis. It plays a key role in energy, sleep, metabolism, mood, and immune function.
Rather than staying constant, cortisol follows a natural daily rhythm, rising in the morning to help you wake up and gradually lowering throughout the day so you can rest at night.
When this rhythm becomes disrupted, it can lead to symptoms like fatigue, anxiety, poor sleep, and feeling “wired but tired.” When it is chronically disrupted, a negative feedback loop can be created, making it difficult to correct long term, without testing.
WHY TEST CORTISOL?Many people are told their labs are “normal,” yet still feel off.
That’s because a single blood test often only captures one moment in time. Another factor is “normal” ranges are often far too broad to account for optimal wellness.
With functional cortisol testing (using multiple saliva samples throughout the day), and optimal ranges, we can see your diurnal cortisol curve, how your body is actually responding to stress over time.
Rather than staying constant, cortisol follows a natural daily rhythm, rising in the morning to help you wake up and gradually lowering throughout the day so you can rest at night.
When this rhythm becomes disrupted, it can lead to symptoms like fatigue, anxiety, poor sleep, and feeling “wired but tired.”
Your results help us understand:
How your body responds to stress
Whether your system is in a state of overdrive or depletion
How your cortisol rhythm is affecting sleep and energy
Underlying patterns contributing to burnout or imbalance
This allows us to move from guessing to clear, personalized insight.
IS THIS FOR YOU?This service is especially supportive if you:
No matter what you’re doing “right” but it feels like it’s not working
Feel tired no matter how much you rest
Feel wired, anxious, or overstimulated
Struggle with sleep (falling asleep or staying asleep)
Experience burnout or chronic stress
Feel “off” but your labs keep coming back normal
Have hormone, thyroid, mineral or energy imbalances
WHAT YOUR RESULTSCAN REVEALYour results help us understand:
How your body responds to stress
Whether your system is in a state of overdrive or depletion
How your cortisol rhythm is affecting your overall wellbeing
Underlying patterns contributing to burnout or imbalance
This allows us to move from guessing to clear, personalized insight
HOW TESTING WORKSThis stress hormone test uses a simple, at-home saliva collection to give a more complete picture of how your body is responding to stress throughout the day.
4-Point Salivary Cortisol + DHEA-S
Samples are collected at four key times throughout the day to map your natural cortisol rhythm (diurnal pattern), along with DHEA-S to assess overall adrenal balance.
This allows us to see:
How your energy rises and falls throughout the day
Whether your system is in overdrive, depleted, or dysregulated
Patterns that may be impacting sleep, mood, and resilience
Because this test measures active (free) cortisol, it provides a more functional, real-time view of your stress response.
UNIQUE APPROACHThis isn’t just about numbers.
Your results are interpreted through a whole-body lens, integrating:
Nervous system regulation
Mineral and nutritional support
Lifestyle and stress patterns
Intuitive insight and energetic awareness
This creates a plan that is realistic, supportive, and aligned with your body.
IMPORTANT NOTECortisol testing is not intended to diagnose or treat medical conditions but to provide insight into patterns within the body and support overall wellness.
SYMPTOMS OF
ADRENAL IMBALANCE
Mild to severe hypoglycemic episodes
Palpitations; pounding heart, heavy and hard heartbeat
Tachycardia; higher heart rate
Anxiety; feeling of panic
“Air hunger”; feeling starved for air, short of breath
Flu-like symptoms
Headache
All over body ache
Super-sensitive skin
Scalp ache
Hairloss
Feeling Hyper
Jittery
Clumsy (drop things, bump into things)- confusion
Suddenly feel extremely hungry
Low back pain
Weakness
Stress intolerance
Social anxiety
Difficulty focusing on more than one thing at a time
Shaky hands; shakiness
Diarrhea
Rage or sudden angry outbursts
Emotionally hyper-sensitive
Extreme fatigue
Brain Fog
Highly defensive
Paranoia; about people, places or things
Exacerbated reactions to daily stress
No patience
Easily irritated
Nausea in the face of stress
Even minor stress can have effects for days
Prolonged recovery from a dental visit
Dull cloud-filled head
Jumpiness
Muscle weakness
Dizziness
Light headedness
Motion sickness
Coffee putting patient to sleep
Vomiting even running up the slightest incline
Almost passing out every time patient gets up
Dark circles under my eyes
Waking up in the middle of the night for several hours
Difficulty falling asleep
Frequent urination
IBS symptoms
Worsening allergies
Over-reactivity
Clients can conduct a saliva cortisol test to assess adrenal hormones. This involves collecting four non-invasive samples over the course of one day, from which ZRT is able to generate results with a diurnal cortisol curve. This four-point graph reveals cortisol levels throughout the day and allows health care providers to pinpoint issues with adrenal gland function.
Adrenal glands that are in balance produce adequate amounts of hormones to power us through the day. These hormones impact just about every process in the body, from energy production and immune activity to cellular maintenance and repair. They are key regulators of glucose, insulin and inflammation, and play a major role in bone and muscle building, mood and mental focus, stamina, sex drive and sleep cycles.
Saliva testing has long been used as an accurate and reliable method for measuring cortisol because it’s simple and non-invasive, and patients can collect these samples multiple times per day. It’s easy to assess DHEA in these samples too.
NOTE: NOT AVAILABLE IN NY, CA, and MD
(Please contact me directly to discuss your options, thank you.)

