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Functional Medicine near Danville

Published By: Dr. Jeffrey Mark
Date: March 01, 2024

Feeling unwell? Learn how Danville's Dr. Jeffrey Mark uses functional medicine to find the root causes and craft natural treatments for digestive issues, hormonal imbalances, and more. Schedule your first 50-minute visit to start feeling your best again.

What is Functional Medicine?

Functional medicine basics

The conventional medical system wasn't designed for creating & maintaining vibrant health... It was born out of the need for acute care interventions (think fractures, car accidents, and the like). 

Functional medicine is a different approach that cost-effectively addresses the underlying factors that create disease... without expensive and toxic prescription drugs that merely mask symptoms. It's actually not entirely new... it's how medicine was practiced 4000 years ago.

What's new is that we have brought advanced lab testing and a keen systems-biology approach to medicine – which is short for looking at the body as a system of interconnected organs that need to play in perfect sync to function optimally.

That's what coined the term "Functional Medicine" because ultimately, it's about restoring proper function to all the body's systems.

Our Services:

Since the founding of his practice, Dr. Jeffrey Mark, M.D., and his team have helped patients heal from life-altering conditions such as:

  • Digestive Disorders (GERD, heartburn, IBS, SIBO, Crohn’s, Colitis.
  • Detoxification (Environmental pollutants- fire, industrial, metals, mold).
  • Autoimmune Conditions (IBD, Rheumatoid Arthritis, Psoriasis, Multiple Sclerosis, Hashimoto’s Disease, Celiac’s, Crohn’s, Type-1 Diabetes).
  • Hormonal Imbalances (Feeling “tired & wired”, Hypothyroidism, Hyperthyroidism, PCOS, PMS, Hot Flashes, Painful Periods, Mood Swings).
  • Metabolic Syndrome, Obesity & Dyslipidemia.
  • Energy Issues, Stress & Chronic Pain (Chronic Fatigue, Adrenal Issues, Fibromyalgia etc.).
  • Cognitive Issues (SCI/MCI, “Brain Fog”, Memory Issues, Alzheimer’s Disease, etc.).

Why Choose The Real Gut Doctor for Your Functional Medicine Needs in Danville?


Here are just some of the things we focus on in our program:

  • We prioritize quality over quantity with our patients. We will only make a medical diagnosis after listening carefully to a patient’s medical history, reviewing testing, looking at lifestyle factors that are materially contributing to illnesses, and then making a personalized recommendation based on each patient’s unique situation. 
  • We also factor in your local environment. For example, the Environmental Working Group (EWG) has determined our local water (East Bay Municipal Utility District) has 3 potential cancer-causing contaminants.  Our water contains 415 times the amount of Haloacetic acids (HAA5), 603 times the amount of Haloacetic acids (HAA9), and 373 times the amount of total trihalomethanes (TTHMs) over EWG guidelines. 
  • Assessment, natural healing, and prevention are prioritized over wait-and-see treatment approaches. 
  • The most modern and advanced medical equipment available is used along with natural forms of healing like upgrading your diet and healing herbs or supplementation with fewer or no side effects. 
  • Patients are taught how to take a more active role in their own health and will learn up-to-date nutritional science & lifestyle modifications that can boost their health and overall wellness for a lifetime. For example, we’ve helped educate and treat people with toxicity during the recent East Bay fires over the past 3 years. 
  • Instead of relying on being prescribed medications again and again for temporary relief, functional medicine Dr. Jeffrey Mark, M.D., and his team at The Real Gut Doctor diagnose problems holistically and arm patients with the modern tools for healthy living.

 What to Expect at Your First Visit 

We focus on the unique needs of the client and craft a personalized treatment plan that reflects what we see in your testing and how your lifestyle may be impacting (or even creating) your symptoms. 

On your first 50-minute visit, we review a comprehensive history questionnaire for in-depth evaluation rather than just matching symptoms with a diagnosis seen in the conventional medicine approach.

Based on this evaluation, we then order advanced lab testing that will give us a much more complete picture of what triggered your specific physiological imbalances that caused your symptoms in the first place.

We then design a custom-tailored plan to completely support your body... giving it what it needs to finally heal instead of trying to cover up your symptoms with medications. 

After implementing the plan, the final stage is to rebalance your body systems, build up your resilience to help guard for the future, and aim to maximize your quality of life.

Integrating Functional Medicine with Danville Lifestyle 

Digestive health is a cornerstone of overall well-being. Lifestyle changes are key for long-term better overall health in functional medicine. Here are some tips.

Exercise improves digestion. Aerobic exercises such as walking, jogging, and cycling are excellent for enhancing digestive health. These activities help speed up digestion by increasing blood flow and encouraging the movement to digest food through the digestive system.

Hike down a trial at Mount Diablo State Park. Jog along the trails of Hap Magee Ranch Park. Bike along the 27.8-mile paved Iron Horse Regional Trail.

You are what you eat and one of the most helpful diets full of antioxidants is the Mediterranean diet. It helps with gut repair and works to promote overall health. 

The Danville Farmers' Market is open Saturdays year-round, rain or shine, from 9 a.m. to 1 p.m. at the Railroad Avenue Municipal Parking Lot.

Our team treats the underlying causes of complex chronic disorders using a functional medicine approach. Please complete the form below to connect with us and tell us how we can help as you begin on your path toward improved health!

Contact Dr. Jeffrey Mark to get started.

Dr. Jeffrey Mark
With over thirty years of experience, Dr. Mark is a leading expert in holistic gut health. His integrative approach combines conventional medicine, functional and regenerative medicine, and advanced therapies to heal the gut and transform patient health. Holding 5 board certifications, Dr. Mark offers the comprehensive expertise of five medical specialists during each patient visit. He is dedicated to optimizing wellbeing by addressing the gut-related root causes of chronic health issues.
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