ZRT Adrenal Stress Profile: At-Home Saliva Cortisol Test

4-point cortisol rhythm and morning DHEA-S testing with NuGeneLabs interpretation and roadmap included

If you feel tired in the morning, wired at night, burned out, or stuck in afternoon crashes, one cortisol number may not explain the full pattern.

The ZRT S-121 Adrenal Stress Profile is an at-home saliva test that measures cortisol at four points across the day, plus morning DHEA-S. This helps show how your stress hormones rise and fall from morning to bedtime.

Your NuGeneLabs order includes more than the lab kit. It includes a provider-reviewed interpretation summary and a practical roadmap, so you understand what the results may mean for your stress, sleep, energy, recovery, lifestyle, and supplement strategy.

ZRT Laboratory test kits are not available for purchase or shipping in New York and Maryland.

Highlights

• At-home saliva collection
• Measures cortisol at four points in one day
• Includes morning DHEA-S
• No blood draw required
• Useful for stress, fatigue, sleep, energy, and recovery pattern review
• Helps identify high, low, flat, or nighttime-elevated cortisol patterns
• Includes NuGeneLabs provider-reviewed interpretation summary
• Includes practical roadmap guidance after results

Who It’s For

This test may be a good fit if you want clearer insight into:

• Morning fatigue or feeling slow to start
• Afternoon crashes
• Feeling tired but wired
• Waking during the night
• Trouble winding down in the evening
• Poor stress tolerance
• Low stamina or poor workout recovery

This test is especially useful when your symptoms seem connected to stress timing, sleep rhythm, energy patterns, or recovery.

Why a 4-Point Cortisol Test Is Different

Cortisol is supposed to change throughout the day. It usually rises in the morning to help you wake up, then gradually declines so your body can wind down at night.

A single cortisol test is only a snapshot. A 4-point saliva cortisol test shows the daily rhythm.

This matters because different cortisol patterns may call for different support:

• Low morning cortisol may need a different strategy than high morning cortisol.
• A flat cortisol curve may suggest a different rhythm than a normal rise-and-fall pattern.
• High nighttime cortisol may connect more strongly to sleep disruption and feeling wired at night.

The goal is not to guess which “adrenal supplement” to take. The goal is to match the support plan to your actual pattern.

What’s Included

Your order includes:

• ZRT S-121 Adrenal Stress Profile test kit
• At-home saliva collection materials
• Cortisol x4 testing
• Morning DHEA-S testing
• ZRT laboratory processing
• ZRT visual lab report
• NuGeneLabs provider-reviewed interpretation summary and supplement guidance

What This Test Measures

Test Name: ZRT S-121 Adrenal Stress Profile

Sample Type: Saliva

Collection Format: At-home saliva collection across one day.

Blood Draw Required: No.

Markers Included:

• Cortisol x4: Measures cortisol at four points across the day to show your daily cortisol rhythm.
• DHEA-S, morning only: Adds adrenal hormone context for stress, resilience, and recovery patterns.

Typical Collection Points:

• Morning
• Noon
• Evening
• Bedtime

Patterns This Test Can Help Review:

• Low morning cortisol
• High morning cortisol
• Flat cortisol curve
• Afternoon crash pattern
• Elevated nighttime cortisol
• DHEA-S pattern in relation to stress and recovery

NuGeneLabs Interpretation Included: Your order includes a provider-reviewed interpretation summary and practical roadmap.

Important Note: This test is for wellness and functional insight. It is not intended to diagnose, treat, cure, or prevent disease.

Your Results Come With a Personalized Roadmap

The lab report gives you numbers. NuGeneLabs helps turn those numbers into a plan.

Your interpretation summary may explain:

• What your cortisol curve looks like
• Whether your rhythm appears high, low, flat, or shifted
• How the pattern may relate to energy, sleep, stress, and recovery
• Where lifestyle changes may matter most
• Whether supplement support may be appropriate
• How to use NuGeneLabs recommendations without guessing

Support for Flat Cortisol Curves

A flat cortisol curve may call for a recovery-focused plan. This may include morning rhythm support, consistent wake timing, protein-forward meals, mineral support, stress pacing, and less aggressive training when needed.

Support for High Nighttime Cortisol

High nighttime cortisol may call for a different strategy. This may include evening light reduction, nervous system support, earlier meal timing, calming nutrients, sleep-routine structure, and adjustments to late-day stress or exercise.

Who Should Get Medical Guidance First

Speak with a healthcare professional before relying on this test if you:

• Have severe fatigue, fainting, unexplained weight loss, or serious symptoms
• Have been diagnosed with adrenal insufficiency, Cushing’s syndrome, Addison’s disease, or another endocrine disorder
• Use steroid medications, hydrocortisone, prednisone, hormone therapy, DHEA, pregnenolone, or cortisol-related medications
• Are pregnant
• Need emergency care, diagnosis, or prescription treatment

This test is for functional wellness insight. It is not a replacement for medical care.

Quick Answers

What does the ZRT Adrenal Stress Profile measure?

It measures cortisol at four points across the day and morning DHEA-S using saliva samples.

Is this test done at home?

Yes. This is an at-home saliva collection test.

Why test cortisol four times?

Cortisol changes throughout the day. Four-point testing helps show your daily cortisol rhythm, including morning, noon, evening, and bedtime patterns.

Does this test include interpretation?

Yes. Your NuGeneLabs order includes a provider-reviewed interpretation summary and practical roadmap.

Is this the same as a blood cortisol test?

No. A blood cortisol test is usually one snapshot. This saliva profile looks at the rhythm of cortisol across the day.

Combine With

Fatigue and Nutrient Review

ZRT Adrenal Stress Profile + NutrEval® Plasma

This pairing may be useful when fatigue, poor recovery, or burnout-like symptoms may involve both stress-hormone patterns and deeper nutrient or mitochondrial patterns.

Gut and Stress Connection

ZRT Adrenal Stress Profile + GI-MAP Stool Test

Stress and gut symptoms often overlap. This pairing may be useful when fatigue, bloating, irregular digestion, immune changes, and stress rhythm issues are happening together.