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.

Resources

The process

1

Start your assessment

Complete your 45-min intake assessment

2

Get your labs drawn

4,000 partnered lab locations nationwide

3

Review with your coach

Screen-by-screen lab review

4

Receive your protocol

Treatment delivered to your door

See the full process

Why Marek

The only program pairing you with a dedicated health coach and medical provider, built on precision diagnostics, with no subscription required.

Resources

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."

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Derek, Co-Founder

What we test

Every client's lab panel is hand-selected from 1,000+ available biomarkers, built around their specific goals.

Treatments

700+ medical provider-prescribed therapies built from your labs. Browse by category or explore the full formulary.

Andrew Holztrager

Health coach

Andrew Holztrager

Health Coach

Having lived through years of chronic illness, I deeply respect the patient experience and am relentlessly committed to root cause medicine—because I was once the patient who fell through the cracks, and I’m here to ensure others don’t.

About Andrew

With a background in elite athletics and a passion for solving complex health puzzles, Andrew helps clients navigate everything from chronic GI issues—like SIBO, IBS/IBD, Ulcerative Colitis, and mycotoxicity—to hormone optimization, TRT, and high-performance protocols. He’s spent over a decade coaching collegiate, professional, and Olympic-level athletes, including performance-enhancing drug (PED) consultation, and has firsthand experience as a championship swimmer and lifelong athlete. Andrew also works at the intersection of trauma and transformation through psychedelic therapy, including clinical experience with Ibogaine. He’s known for breaking down complex health topics into simple, actionable steps and helping clients make sense of even the most layered diagnoses.

Andrew's Spark Notes:

Philosophy and Approach

I care for patients the way I once needed someone to care for me - with rigorous investigation, deep listening, and commitment to finding what others overlooked. My approach blends lived experience, systems-level thinking, and clinical precision to treat root causes, honor the human story, and help patients reclaim health and agency they once thought was lost. The human body contains a miraculous intelligence and my goal is to put each patient in an optimal position to heal, then optimize.

Personal Life

My Fiancé, Courtney, and my dog, Nala, are the stars of my life! I love traveling, training, and have a passion for non-stop learning. You can be sure to find us at a music festival a few times per year!

Connect with Andrew today to explore how their expert guidance can help you achieve your health and wellness goals. Schedule your consultation now and take the first step towards a healthier, more optimized you.

Get started with Andrew

Your biology has answers.

Custom labs, a dedicated care team, and treatment built on your biology, not guesswork. One program, built around you.

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HIPAA compliant · We never sell your data