Cancellation & Refund Policy
Last updated June 11, 2026.
How it works
Marek's Guided Optimization® Program combines advanced lab testing, a dedicated health coach and medical provider, and a personalized treatment plan, all built around your data.
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The process
Start your assessment
Complete your 45-min intake assessment
Get your labs drawn
4,000 partnered lab locations nationwide
Review with your coach
Screen-by-screen lab review
Receive your protocol
Treatment delivered to your door
Why Marek
The only program pairing you with a dedicated health coach and medical provider, built on precision diagnostics, with no subscription required.
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Meet our co-founder
Derek
Co-Founder · MPMD Podcast
"Over time, I found it incredibly difficult to get medical oversight for myself and my family that reflected the latest research, and that was preventative. That's why I started Marek Health."

What we test
Every client's lab panel is hand-selected from 1,000+ available biomarkers, built around their specific goals.
Panel categories
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Treatments
700+ medical provider-prescribed therapies built from your labs. Browse by category or explore the full formulary.
Last updated June 11, 2026.
All Marek Health web sales are final and non-refundable. The payment collected at booking is a non-refundable deposit toward the provider exam required to receive care from Marek Health. Certain diagnostic products, lab kits, and prescription items cannot be returned or refunded once shipped, opened, or used. Refund eligibility for any other product or service is determined by Marek in its sole discretion in accordance with our Terms and Conditions and applicable law.
Web sales are final and cannot be cancelled once an order has been placed. All Marek Health appointment cancellations without a reschedule request are non-refundable.
Reschedule requests must be made with at least 24 hours’ notice before the scheduled appointment; otherwise, the appointment may be subject to a non-refundable fee of up to fifty dollars (US $50.00). Missed appointments may also be subject to a non-refundable fee of up to fifty dollars (US $50.00).
Cancellations made more than 24 hours before a scheduled appointment via email, text, or phone will be processed without penalty.
If Marek Health cancels an appointment with less than 24 hours’ notice, a new appointment will be scheduled without penalty to the client, subject to availability.
For any mobile phlebotomy appointment scheduled through the Services:
Approved refunds will be issued only to the original payment method. Processing times may vary depending on your financial institution.
Email: Info@MarekHealth.com
Phone: 1 (877) 572-2582
Tracking inquiries: Trackingmailbox@marekhealth.com
Hours: Mon–Fri: 9:00 AM – 5:00 PM EST
Custom labs, a dedicated care team, and treatment built on your biology, not guesswork. One program, built around you.
HIPAA compliant · We never sell your data