Dr Rashel-Advance Health Integrative And Functional Medicine
Concierge Functional Medicine Because You Are Important
Gut Health
Thyroid Health
Hormone Balance
***** ” Dr. Rashel Tahzib is most knowledgeable doctor who pays attention and cares. That is the most I can expect from a doctor. She helped me with my autoimmune disease that I was suffering for many years and helped my wife with her hormone deficiency . We are so grateful to her.”-Vicky S.M
Step 1. Take your Online Health Assessment
Step 2
Step 2. Receive Free Phone Call To Discuss
Step 3. Schedule Your Functional Medicine Consultation
Step 4
Step 4. Follow Up Result Analysis & Treatment Plan
Step 5
Step 5. Follow Up Support & Optimize
Expertise In Functional And Integrative Medicine
Los Angeles And Denver Functional Medicine Doctor
We are here to partner with you on your journey to optimal health and well being. Our passion is your health. We are here to make it easier for you. We will shed light on the real issues at the core of your health concerns, and give you evidence based answers and solutions that ultimately result in breakthrough healing and optimal health for years to come.
You are in excellent hands here. Dr. Rashel Tahzib is a Functional Medicine specialist, one of the few physicians who are actually certified to practice Functional Medicine by The Institute for Functional Medicine certified physician list and a board-certified and re-certified Family Medicine Physician with over 20 years of medical clinical experience.
Her evidence-based scientific approach and knowledge of Functional Medicine, combined with her tremendous personal experience with the health and disease process sets her apart and leads to the evolutionary personalized medicine she offers that works remarkably with her patients.
Patients at Advance Health Integrative And Functional Medicine enjoy the best of what contemporary medicine has to offer with individualized attention and time that goes beyond visits.
Dr Rashel Integrates and customizes the most effective and above all safe treatments of conventional, anti-aging and functional medicine with unsurpassed concierge level personalized care and attention.
Dr Rashel has walked in the footsteps of many of her patients with her own health challenges earlier in life that she successfully reversed and it is her purpose to bring you the same healing. You do not have to settle for anything less than feeling your best because health and wellness are your birth right.
Your symptoms such as fatigue, bloating, digestive problems, brain fog, weight gain are your body’s way of telling you to pay deeper attention and not settle for being told everything is normal. Dr Rashel will put the power of your health back in your hands, were it belongs.
Autoimmune Disease Reversal
Using Functional Medicine, we will identify and peel away the layers of imbalance that triggered autoimmunity to reverse autoimmune disease and restore a state of health and balance to your body
DiscoverBio-Identical Hormone Replacement Therapy
Regain the zest for life and look and feel great in your 40’s, 50’s, and beyond with customized bioidentical hormone replacement therapy. Bioidentical Hormones have the same molecular structure as natural hormones, they can replace hormones that women and men loose in menopause and andropause with the aging process.
DiscoverWomen’s Health, Hormone Balance
Today more than ever more and more women suffer from hormone imbalance. Some of the symptoms of hormone ...
DiscoverInsulin Resistance/Obesity
Abdominal obesity is a an epidemic in and of itself and part of the obesity epidemic effecting about half of the adult popula...
DiscoverDetoxification/Heavy Metals
Toxins are culprits that are among the root cause of many diseases. In our modern world and especially here in the US, we are bathed ...
DiscoverDigestive Health Restoration
The digestive system is literally the gateway to health and disease, everything that gets absorbed and excreted moves through ...
DiscoverCandida and SIBO Elimination
If you have experienced or suffered from gastrointestinal symptoms, especially bloating, constipation, gas, stomach pain ...
DiscoverThyroid Health Optimization
Thyroid health and specifically hypothyroidism is one of the most heated areas of debate and controversy in medicine.
DiscoverLow Testosterone/Men’s Health
Most of us want to feel vital, strong, confident, secure, and want to be healthy, lean, fertile, with strong bones, strong muscles, great ...
DiscoverSleep Problems
Sleep is one of the most important if not the most significant both short and long-term factor directly affecting your health and ...
DiscoverAnxiety, Depression, Difficulty Concentrating
Psychiatric difficulties and concentration problems are exceedingly common in the US today with anxiety disorders being the most ...
DiscoverLyme Disease/Chronic Infections
Chronic infections like Lyme, CMV, Herpes, Epstein Barr can be culprits in symptoms like chronic fatigue, and fibromyalgia...
DiscoverChronic Fatigue/Fibromyalgia
If you or a loved one is suffering from fatigue and or chronic pain and have seen your conventional doctor, you may have ....
DiscoverFunctional Medical Weight Loss
With obesity being an epidemic in the US today and affecting just under half the adult population, and affects about 20% of us ...
DiscoverFertility Optimization
Infertility and trouble conceiving is becoming more and more prevalent in the US, about 6.1 million women in reproductive years have ...
Discover01.
Schedule a Functional Medicine Consultation
Schedule Functional Medicine Consultations with Dr. Rashel available in Colorado and California.
02.
Schedule a Functional Wellness Consultation
Schedule your Functional Wellness Consultation from anywhere today! Available in Colorado and California.
04.
Begin Health Restore Candida Clear Program
Begin to Heal Your Gut and Tackle Candida with Candida Clear Programs
05.
Feel Better Now Health Restore Supplements and Kits
Improve your health now with Dr Rashel’s Health Restore Kits
AFFILIATIONS & ASSOCIATIONS






Take Your Free Online Health Assessment today and you will have taken the best first step you can to addressing your health problems and getting rid of your symptoms for good. Dr Rashel Tahzib will review your results and we will contact you to discuss next steps.
Dr. Rashel offers a mobile and virtual practice operating in the Greater Los Angeles and Denver area. This allows greater access and flexibility to patients while maintaining the high level of personalized medicine that works with you.
Latest Testimonials



Tania
"I want to live the best life at the highest capacity ... I am feeling the best I ever have!"
Milu
"I honestly feel a lot better ... I have a lot more energy, I sleep better, I am losing weight"
Zana
"I am now running 5k, 30lbs lighter, more active, look younger & feeling very fortunate to have found her."
Kelly
"You name it, I had it. Rashel was there the whole time, finding out what was really wrong with me."
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