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Kingdom Kandy Nutrtion Bars

Get Ready for 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.

Your Starting Line to a Transformed Life

We care for the whole person

No matter where you live

the Functional Medical Institute staff can serve you in person or via telehealth

Care for the Whole Person

Make lasting changes to live a longer, healthier life.

Science-Based Approach to Health

Lifestyle Adjustments that Last

Unique and Personal Plans

Diagnostics, Experience, and Proven Results

"Dr. Michele and Dr. Mark Sherwood have helped me tremendously toward my goals. I highly recommend working with them. My friends are amazing and I know you’ll get incredible results.”

Your success is our success

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

After a confrontation with diabetes, which I had avoided for 5 years, Dr. Michele encouraged me by saying, “We will save your life and you will be a beacon of health in your area.” It was at this time that I knew I was in the right place.

By doing all that Drs. Michele and Mark have helped me with, I’ve lost 20 pounds. I’m off blood pressure medicine. My menopausal symptoms are almost gone completely now. I feel so much better and way healthier.


Schedule an In-Person Consultation at our Tulsa Clinic

Genetic Testing for Optimized Health Recommendations

Health Plan Implementation and Coaching

Are you Dealing with a Health Issue You can’t seem to overcome?

Finally get answers

We live in a culture that is overdependent on fad diets, a broken food chain, and constant reliance on prescriptions. 

If you’re tired of struggling to live the healthy life you were designed for, Dr. Mark and Dr. Michele Sherwood and our dedicated staff offer a unique, caring path with proven results

Not sure where to begin?

Take our One-Minute Quiz and receive personalized recommendations.

The Complete
Meal Shake

NOT Just "protein powder"

Get Personalized Health Recommendations for Your Body

Everyone’s body is different, which is why it’s essential that the health advice you take is tailored to your unique biology. Take our 1-Minute Quiz to find out how to optimize healthy living specifically for you.


Real Transformation is within your Reach


Mark &

Mark Sherwood, Naturopathic Doctor (ND) and Michele L. Neil-Sherwood, Doctor of Osteopathy (DO), have a full-time wellness-based medical practice in Tulsa, OK called the Functional Medical Institute where they adopt a whole person approach, which is outcome based looking at each individual’s unique needs.

Their goal is to lead people down a pathway of true healing. To that end, there are two purposes:

  1. To eradicate all self-imposed, choice driven disease conditions.
  2. To eliminate the usage of unnecessary medications. Through their unique clinic, various diagnostic tests are used, healing and prevention of common disease patterns are the norm.

Dr. Mark was a 2022 gubernatorial candidate for Oklahoma.

The couple has co-authored three Amazon #1 best-selling books, The Quest for Wellness, Fork Your Diet, and Surviving the garden of Eatin’. They have been seen on national TV, been quoted on CNN, featured on CBN, and are regular contributors to many national publications.  Dr. Mark regularly appears on Fox News as their healthy living expert. Drs. Mark and Michele appear twice weekly on many TV networks with their show Furthermore. They are also movie producers with their first full-length movie, Fork Your Diet, having over 20 million minutes viewed in the US and UK.  Their second motion picture, The Prayer List, was just released worldwide and has over a million views. Their third film, WWJR, was recently released worldwide. Their fourth movie, Heaven’s Date, will be released later this year.  Additionally, they just completed filming of their newest movie, Holy Flix, which will be released next year.

Their influence also expands into healthy meal and product development with the formulations of Kingdom Fuel, Kingdom Kandy, and Kingdom Kup.

With a broad social media network that spans the globe, Drs. Mark and Michele’s influence is far reaching. The couple understands the importance of nutrition, medical food & supplementation, exercise prescription, rest, stress management, hormone balance and functional movement. This makes them a modern day “dynamic duo of wellness.”

Dr. Michele is a former national physique champion, taekwondo black belt, judo black belt, fitness expert, functional medicine expert. She is a fellow in Osteopathic Internal Medicine and an IFM certified practitioner.  Her training is both extensive and expansive.  Along with Dr. Mark, she instructs clinicians worldwide on nutrigenomics and nutrigenetics.

Dr. Mark has completed training and certifications in age management, nutrigenetics, nutrigenomics, peptide therapy, hormone therapy, stress management, GI health, and immunology. He is a 24-year retired veteran of the Tulsa Police Department, where he logged a decade of courageous service on the department’s SWAT Team. He is also a former Oklahoma state and regional bodybuilding champion, and ex-professional baseball player. Additionally, Dr. Mark traveled the world for over 10 years with the world-famous Power Team.  Mark is also a motivational speaker whose presentations are sought by audiences nationwide.

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If you’re looking for positive change in your health, can I recommend Kingdom fuel? Developed by my friends, Drs. Michele and Mark Sherwood, A complete meal replacement, or a boost for your workouts. I enjoy it, and hope you’ll give it a try.

- Kevin Sorbo

actor and filmmaker

If you’re looking for positive change in your health, can I recommend Kingdom Fuel? Developed by my friends, Drs. Michele and Mark Sherwood, A complete meal replacement, or a boost for your workouts. I enjoy it, and hope you’ll give it a try.
—Kevin Sorbo
actor and filmmaker