Dr. Mychael Seubert, NDMychael Seubert, ND
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Dr. Mychael Seubert, ND

Naturopathic doctor serving Long Island — offices in Riverhead and Huntington, Garden City by telehealth — and patients nationwide via secure telehealth. ILADS-trained. GastroANP-affiliated.

Book Me(631) 722-2246
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Long Island Locations
  • Riverhead, NY
    Naturopathic Wellness Center of Long Island
    548 Roanoke Ave, Riverhead, NY 11901
    (631) 722-2246 · Mon–Fri 9:00 AM – 6:00 PM
  • Huntington, NY
  • Garden City, NY - Virtual
  • Telehealth — Nationwide
The information provided on this website is for educational purposes only and is not a substitute for individualized medical advice. Dr. Mychael Seubert, ND is licensed as a naturopathic physician in Arizona and Connecticut. New York State does not currently license naturopathic doctors. © 2026 Dr. Mychael Seubert, ND. All rights reserved.
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Condition

Adrenal Fatigue & Burnout

What many people call "adrenal fatigue" is more precisely HPA-axis dysfunction — the brain's stress regulation losing its rhythm. Dr. Seubert tests cortisol patterns directly and rebuilds the rhythm rather than just sedating symptoms.

Clinical Approach
  • ◆Diurnal cortisol testing (non-invasive 4-point saliva or DUTCH urine)
  • ◆Adaptogenic and nutrient support tailored to the cortisol pattern
  • ◆Sleep and circadian rhythm restoration
  • ◆Glucose and metabolic stabilization (closely tied to HPA-axis output)
Common Signs & Symptoms
  • ◆Tired-but-wired
  • ◆Crash mid-afternoon
  • ◆Difficulty falling asleep despite exhaustion
  • ◆Salt or sugar cravings
Questions

About Adrenal Fatigue & Burnout

Is adrenal fatigue a real diagnosis?+

The more precise term is HPA-axis dysfunction — the brain's stress regulation losing its normal daily rhythm. Dr. Seubert tests cortisol patterns directly rather than treating the label.

How is cortisol tested without blood work?+

Through non-invasive diurnal testing — a 4-point saliva collection or DUTCH urine panel — which shows the cortisol pattern across the day. Dr. Seubert does not perform blood testing.

Why am I exhausted but unable to fall asleep?+

A tired-but-wired pattern usually reflects cortisol peaking at the wrong time of day. Care focuses on restoring circadian rhythm and stabilizing glucose alongside adaptogenic and nutrient support.

Ready to get to the root of it?

Book a consultation with Dr. Seubert — Long Island offices or nationwide telehealth.

Book Me(631) 722-2246
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