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

About the program FAQs Pricing Blogs

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

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 health coaches Our medical providers Clinical advisory board Success stories Brand ambassadors FAQs

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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What we test

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

View all biomarkers Order labs directly

Panel categories

Hormone Profile Thyroid Status Heart Health Metabolic Health Organ Function Nutrient Status

Resources

Learn about biomarkers FAQs

Treatments

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

Browse all treatments See pricing

Browse by category

Hormones Weight Loss Peptides Sexual Health Longevity Thyroid Hair Loss Heart & Metabolic

Supplements

Physician-designed, third-party tested

Self-Service Labs

Order labs directly at Marek Diagnostics

Apparel & Accessories

Shop the Marek Health collection

Back to our providers

Provider

Rachel Cullers, NP

Provider

Credentials

Board Certified Adult-Gerontology Primary Care Nurse Practitioner
MSN & BSN, University of Texas at Arlington – Sigma Theta Tau Honor Society

With seven years of experience spanning acute care, hospice, primary care, and functional medicine clinics, Rachel Cullers, MSN, APRN, AGPCNP-BC brings a patient-centered, prevention-focused approach to every interaction. Her work across the full healthcare spectrum has fueled a passion for empowering others to stay ahead of chronic disease through education and holistic care. Having personally benefited from functional medicine, she’s committed to helping others optimize their well-being. Outside the clinic, Rachel enjoys time with her husband Brock, their two dogs, and tackling DIY house projects.

Back to our providers

Your biology has answers.

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

Get started

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HIPAA compliant · We never sell your data