Take Your Next Step

to Optimal Health

Night of Empowerment

featuring Olympic Gold Medalist

June 14 in Tulsa, OK

Stay Fit This Summer

It’s simple. Replace one meal each day with a nutrient-packed meal replacement shake.

This 7-day journey will help you shed the extra pounds and catapult you into optimal health.

Leading people on a pathway to
True Healing

Discover the Health You Were Created to Enjoy

Join us for a 2-week

Kingdom Detox

Starting June 27, 2024

Unlock Your Potential

Our specialized test kit reveals insights to optimize your Performance & Longevity based on your unique genetics.

FREE Kingdom Fuel

with DNA Purchase

Educational Resources

Fascinating facts about the miracle of the human body lie right behind this door.

Kingdom Products

Try our personally designed and manufactured line of supplements to honor your body.

Specialized Programs

A path to more energy, better focus, improved sleep, excess weight loss and increased strength.

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The Original Bio-Hackers

Drs. Mark Sherwood, ND, and Michele L. Neil-Sherwood, DO, are the powerhouse team behind Tulsa’s Functional Medical Institute, where they’re revolutionizing wellness with a whole-person, comprehensive results-driven approach. Their mission? 

To empower people to overcome self-imposed health challenges and break free from unnecessary medications. Best-selling authors, national TV personalities, and filmmakers, they’ve inspired millions with their dynamic message of true healing. With groundbreaking health products like Kingdom Fuel & Kingdom Krunch, plus their global reach and influence, Drs. Mark and Michele are redefining what it means to live well and thrive.

22+
Years Changing Lives
Our Value

Your Starting Line to a Transformed Life

Not sure where to start your life transformation?

Our 1-minute quiz delivers personalized suggestions!

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We want you to get the care you deserve.

The Functional Medical Institute staff can serve you in person or via telehealth
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Happy senior man jogging in nature.

Experts

of Optimal Health

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Get treatment for all your Kingdom needs.

We love to celebrate the everyday victories and life-changing breakthroughs of our patients. Are you ready to become another success story?

Try our personally designed and manufactured line of supplements to honor your body.

Hydrogen supports cellular health, energy production, cognitive health, and weight management.

Profound insights that will change the way you view your Creator, yourself, and your health!

Internationally Known Speakers

See Dr. Mark & Dr. Michele Speak in Person

The Movies That Have Helped Millions Around The World

Weekly inspiration to go further in this ever-changing world.

Maintaining good health is not a one size fits all!

Make lasting changes to live a longer, healthier life.
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Client Feedback & Reviews.

Subscribe for proven ways to find
the health you were created to enjoy.

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