Start Your Path To Wellness

You've done your part. You have tried everything medicine has to offer. You have gone to physicians, consulted specialists, got all the tests they recommended and took all the medicines. But, you remain stuck. You’re not alone, and we understand how you feel. A lot of our patients felt that way. However, they discovered the reason for all their miseries-they were treating their symptoms and not the cause! 

What they needed instead was treating the cause!

Are you sure you are not making the same mistake? Do you know what is the cause of your problems? Our priority #1 is to figure out the cause. Any treatment without knowing the exact cause is incomplete and relief at best is inadequate!

They also found that when they treated the cause, it proved to be a game-changer for them. Here are their Success Stories

The only regret our patients have is that they didn’t find out about functional medicine earlier. This would have saved them a lot of grief.

Dr. Sultan has over 40 years of experience treating severely ill patients. Many of them had lost all hope of ever getting better.

We treat many different conditions including:

Visit our Conditions We Treat page for more information!

We use various Treatment Methods to treat the root cause. If you are looking for a holistic doctor, functional medicine doctor or a doctor to get to the root of your problems then you found the right place! Start on your path to wellness with our functional medicine approach to wellness!

For an appointment, give our St. Louis Functional medicine Office a call at 314-921-5600 or send us an Appointment Request

We are open on Saturday's!

How Can We Help?

Welcome! The staff at EHC St. Louis and Tipu Sultan, MD are very happy that you are visiting our website. We'd love to walk the journey to wellness with you... Start Here!

Our Current Patients can find helpful resources including current patient forms, an online prescription refill form, frequently asked questions and more! If you need assistance at anytime, please do not hesitate to contact us. Start Here!

Dr. Sultan treats many conditions; click here for a full list; below are the most commonly treated conditions:

Most Common Conditions We Treat - Please Call For Full List Of Conditions

How is it possible to treat so many diverse medical conditions through Environmental Medicine approach?

Click Here For The Full List Of Conditions

The Key to Successfully Treating Your Problems

A comprehensive history and a thorough physical examination followed by appropriate tests, reveal the underlying causes of illnesses. Treatment methods are determined by the cause.

Click Here For The Full List Of Treatment Methods


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Success Stories

What Our Patients Say About Us

  • "Dr. Sultan encouraged me to go on a low carb diet after starting magnesium and thyroid medication. It has been almost one year and I have lost over 40 pounds. I no longer suffer from low energy, gas pain, and bloating, or yeast symptoms and I have never felt better."
    N.K. - December 2018
  • "Since I have been coming to Dr. Sultan I have more energy, less muscle aches, pains and most of all I have almost no more headaches thanks to the low-carbs diet I am following. The low-carbs diet has helped me with weight loss and mental clarity. Dr. Sultan has put me on the right path. Thank you! I sleep much better now!"
    C.M. - April 2018
  • "My overall success story with Dr. Sultan has been awesome! I have experienced so many great changes to my body. I am able to move about with not shortness of breath. My energy level has increased and no more tired days! Following, the insulin-resistance wellness program, the program has allowed me to decrease tremendously in my weight. I’m loving the balance and nutritional well-being it has blessed my heart, mind, and soul. I am grateful for the awareness, education, and knowledge of becoming a person with air, water, and food!"
    T.C. December 2018
  • "When I cam e to the office, I had depression, anxiety, night terrors and suicidal thoughts. I was diagnosed with manic depression. I got treated for yeast, low-thyroid, and magnesium deficiency. It has helped me with my depression, fatigue, and I can feel well again.” “Life is simple people make it difficult."
    S.B. - August 2018

Meet Your Doctor

  • Tipu Sultan
    Holistic Doctor

    Dr. Sultan began practicing medicine in the metropolitan St. Louis area in 1975 as a pediatrician. Beginning in 1979 he incorporated Environmental Medicine into his practice and since then has been treating children and adults suffering from many chronic ailments.

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Contact Us

Our Location

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Hours of Operation

Our Regular Schedule


10:00 AM-6:00 pm


10:00 AM-6:00 pm




11:00 am-7:00 pm




8:00 am-4:00 pm