5 Steps to Heal Your Gut 

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Close-up of hands of a senior woman holding a colon shape symbol.

At Natural Heart Doctor, we teach a powerful truth: Heart health begins in the gut. A healthy digestive system isn’t just about avoiding bloating or irregularity. It’s the gateway to reduced inflammation, better nutrient absorption, stronger immunity — and yes, a longer, healthier life free from heart disease.

That’s why healing the gut is a key pillar in our 100 Year Heart Method, our proven system to help you live vibrantly to 100… and beyond.

Here’s how to start healing your gut in five actionable steps:

Step 1: Eliminate the Offenders

The gut can’t heal if it’s under constant attack. The biggest offenders?

  • Gluten, found in wheat, barley, and rye — a known trigger of leaky gut and autoimmunity.
  • Dairy, particularly conventional dairy loaded with hormones and antibiotics.
  • Refined sugars, which feed bad bacteria and promote yeast overgrowth.
  • Seed oils like canola, soybean, and corn oil, which inflame the gut lining.
  • Artificial ingredients, preservatives, and food dyes.

Start by removing these from your kitchen and pantry. Even “healthy” versions of processed foods can damage the gut over time. Eat real, organic, unprocessed food. Your microbiome will thank you.

Step 2: Nourish with the Right Foods

Once the toxic triggers are gone, it’s time to rebuild with gut-healing superfoods:

  • Pasture-raised meats and wild-caught fish, rich in nutrients and free from chemicals
  • Organ meats, especially liver, packed with preformed vitamins and amino acids
  • Bone broth, full of collagen, glycine, and glutamine to rebuild the intestinal lining
  • Fermented foods like sauerkraut and kimchi (if tolerated), which support beneficial bacteria
  • High-fiber vegetables such as artichokes, garlic, asparagus, and onions to feed the microbiome

These foods deliver the raw materials your gut needs to repair damage and thrive.

Step 3: Support Digestion and Absorption

A healthy gut isn’t just about what you eat — it’s also how well you break it down.

  • Chew your food thoroughly. Digestion begins in the mouth.
  • Avoid drinking large amounts of water during meals, which dilutes stomach acid.
  • Consider digestive support, such as betaine HCl, ox bile, or digestive enzymes — especially if you experience bloating, gas, or reflux.
  • Slow down while eating. The parasympathetic “rest and digest” state is essential for optimal digestion.
  • Incorporate chiropractic care. The nervous system controls every aspect of digestion — from salivation and stomach acid secretion to gut motility and elimination. Misalignments in the spine, especially in the thoracic and lumbar regions, can disrupt this communication. Regular chiropractic adjustments restore nerve flow, reduce inflammation, and enhance your body’s ability to digest and heal naturally.

When digestion is optimized, nutrients are absorbed efficiently, and the gut lining is protected from irritation and inflammation.

Step 4: Reseed the Microbiome with Natural Prebiotics

Once you’ve cleared the damage and nourished the lining, it’s time to restore balance to your gut flora.

Rather than relying on commercial probiotic pills, we emphasize natural prebiotics — the fibers and compounds that feed beneficial bacteria already inside you:

  • Jerusalem artichokes
  • Garlic and onions
  • Leeks and shallots
  • Asparagus and dandelion greens
  • Green bananas or plantains
  • Organic psyllium husk
  • Raw cacao and apples (with the peel)

These whole foods act as fertilizer for your microbiome. When you feed the good guys, they crowd out the bad — improving digestion, mood, immunity, and heart health.

Also, spend time outdoors and connect with nature — the healthiest microbiomes are those exposed to diverse environments and soil-based organisms.

Step 5: Reduce the Total Toxin Burden

You can do everything right for your gut, but if your body is overloaded with toxins, you’ll struggle to heal.

  • Remove environmental toxins by using clean household products, organic personal care, and filtered water
  • Sweat daily — sauna, movement, or both — to support detox through the skin
  • Optimize elimination with daily bowel movements, liver support, and deep breathing
  • Choose organic, non-GMO food to minimize pesticide and herbicide exposure

When your toxin load is low, the gut lining has a chance to recover and the immune system can focus on healing — not fighting off invaders 24/7.

Don’t Guess — Test

Even if you feel “pretty good,” gut dysfunction can be silently contributing to fatigue, inflammation, brain fog, autoimmune disease — and cardiovascular problems.

That’s why we always recommend functional testing for anyone serious about long-term health:

✅ Wheat Zoomer (by Vibrant Wellness)

Detects gluten sensitivity, intestinal permeability (leaky gut), and immune reactivity to wheat peptides — even if you’ve never tested positive for celiac disease.

✅ Gut Zoomer (by Vibrant Wellness)

A comprehensive stool test that identifies bacterial overgrowth, dysbiosis, parasites, yeast, inflammation markers, and more. An essential snapshot of your gut microbiome and immune balance.

✅ Triple Toxin Test

Assesses for the top 3 classes of environmental toxins: mycotoxins (mold), heavy metals, and environmental chemicals. These toxins are silent wreckers of gut and heart health alike.

With this powerful trio, we can identify the real reasons your gut isn’t healing — and craft a targeted, personalized plan using the 100 Year Heart Method to fix it.

You can heal your gut. You can reclaim your energy, reverse disease, and protect your heart. It starts with taking action — and we’re here to help.

👉Not sure where to start? Get a free discovery call today with us. Click HERE for more info. 

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About Dr. Keith Smigiel NP, DC

Dr. Keith Smigiel

Dr. Keith Smigiel is a regenerative medicine physician and pain management specialist. He takes an integrative approach to medicine, focusing on customized solutions tailored to individual needs. Using advanced, non-surgical treatments, Dr. Smigiel stimulates your body’s ability to naturally heal itself.

Dr. Smigiel helps people suffering from conditions such as chronic pain and erectile dysfunction, to hair loss and weight gain. Combining treatments such as PRP Therapy, Ozone, Neural Prolotherapy, and IV Infusions with functional rehabilitation, he helps you look and feel better.

He heals the body, instead of just treating the symptoms!

With his professional qualifications as a certified family nurse practitioner, a doctor of chiropractic, and a fellow of the International Academy of Medical Acupuncture, Dr. Smigiel offers patients comprehensive care from a broad perspective of conventional and alternative medicine. He also has extensive experience in functional rehabilitation and chronic pain management.

Dr. Smigiel is married to Angela and has two children, Sophia and Larz. When he’s not busy helping patients, he enjoys hiking, mountain biking, motocross, and boating.

About Dr. Lauren Lattanza NMD, FACC

Dr. Lattanza Office Visit with Patient

As a Naturopathic Physician, I am trained to treat the whole person and get to the root cause of disease.

I went to Arizona State University where I graduated with a bachelor’s degree in psychology with a depth in physiology and minor in Spanish. After my undergraduate degree I was working on prerequisite classes towards medical school, which is when I came to learn that my values identified best with the principles of naturopathic medicine. I knew that I wanted to help patients identify the causes of disease and be able to offer treatments which would improve their health rather than simply treating symptoms.

I dedicated the next 4 years to the Southwest College of Naturopathic Medicine in Tempe, Arizona where I attained my Doctorate of Naturopathic Medicine. I served as Class President all 4 years, Board of Trustees – Student Trustee, spoke as the Club President for our branch of Toastmasters, and was voted by my peers and attending physicians to earn the Outstanding Leadership Award for the Class of 2020. Throughout medical school I took it upon myself to work alongside MDs, DOs, chiropractors, and functional medicine practitioners in addition to naturopathic physicians.

As a Spanish speaking student, I was able to volunteer with community clinics around Phoenix and provide free healthcare to low-income families. Due to this combined exposure, I came to find my passion in treating cardiometabolic and digestive disorders that are all too common, yet largely preventable. I took the opportunity to learn the broad spectrum of healthcare so I can ensure that I am able to provide my patients with the best options.

About Dr. Jack Wolfson DO, FACC

Dr. Wolfson Office Visit with Patient

Dr. Jack Wolfson is a cardiologist, Amazon best-selling author, husband, father, and the nation’s #1 Natural Heart Doctor.

For more than two decades, more than one million people have enjoyed the warmth, compassion, and transformational power of his natural heart health courses and events.

Dr. Wolfson is the founder of Natural Heart Doctor Scottsdale, his heart health practice in Arizona, and Natural Heart Doctor, an online resource center with natural health information. Doctors from across the globe reach out to Dr. Wolfson for training and education in holistic health practices.

He has been named one of America’s Top Functional Medicine Doctors and is a five-time winner of the Natural Choice Awards as a holistic M.D. Dr. Wolfson’s work has been covered by more than 100 media outlets, including NBC, CNN, and the Washington Post. His book “The Paleo Cardiologist: The Natural Way to Heart Health” was an Amazon #1 best-seller.

Dr. Wolfson and his wife Heather have four children and are committed to making the world a better place to live. They provide for those in need (including animals) and support natural health causes through their philanthropic efforts.

Chiropractic

Our chiropractor is an expert at adjustments and holistic chiropractic care and works closely in conjunction with the other health care experts at Natural Heart Doctor.

Call (480) 535-6844 for details and scheduling.

IV Therapy

We use specially formulated natural vitamins and minerals that are injected into a vein to prevent or treat dehydration. Ideal for people in Arizona.

Call (480) 535-6844 for details and scheduling.

Acupuncture

Stimulate your body’s natural healing abilities and promote physical and emotional well-being with acupuncture at Natural Heart Doctor.

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Health Coaching

Our health coaches use evidence based skillful conversation, clinical interventions, and strategies to engage you actively and safely in health behavior changes.

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Cardio Tests

We use the most advanced testing in the world to assess heart health and to identify the root cause of your health issues.

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Office Visits

Schedule an office visit with one of our cardiologists, holistic physicians, chiropractor, or health coaches.

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Frequently Asked Questions

I’d like to receive an online second opinion from Natural Heart Doctor. What do I do next?

You can initiate a second opinion online through our website at any time. To begin, select the team member you’d like to speak with and open an account.

Click here for cardiologist Dr. Jack Wolfson.

Naturopathic Medical Doctor Dr. Lauren Lattanza. Get details.

Naturopathic Medical Doctor Dr. Tonia Rainier. Get details.

Click here for  Natural Heart Doctor Health Coach.

Alternatively, you can email health@naturalheartdoctor.com. A member of our care team will help guide you through the process of starting a second opinion.

What is the cost of a Natural Heart Doctor Online Second Opinion?

The cost for most second opinions varies by team member. This fee includes information collection, a phone or video consultation, a second opinion from a Natural Heart Doctor specialist and guidance throughout the process from your personal Care Team at Natural Heart Doctor.

Cardiologist Dr. Jack Wolfson’s Second Opinion Fee is $1500.

Holistic Physician’s Dr. Lauren Lattanza’s Second Opinion Fee is $250.

Naturopathic Physician Dr. Tonia Rainier’s Second Opinion Fee is $250.

Note: We apply the Online Second Opinion Call fee as a credit to any future consultations with Natural Heart Doctor, should you choose them.

Will my insurance cover the cost of a Natural Heart Doctor Online Second Opinion?

Most likely, no. Most health plans do not cover online second opinions or consultations. You are responsible for the cost of our second opinion. Natural Heart Doctor cannot file a claim with your insurance carrier, nor can we provide a procedure (CPT) code for this service.

What is the timeline to receive an online second opinion?

We do our best to schedule your second opinion as quickly as possible. Typically, it takes 5 to 7 business days after your information has been collected to receive your phone or video online second opinion.

What information do you need in advance of our call?

Our office will send you a short questionnaire to complete and return. We DO NOT need your complete medical records.

How many questions can I ask the expert during our call?

You may ask a maximum of five questions. This is to ensure that the expert has sufficient time to devote to each question. All questions must be finalized before your online meeting.

What should I expect to receive once my second opinion is complete?

You will receive a summary of our discussion along with our second opinion. The second opinion will be in written form. After you have reviewed the second opinion, a Natural Heart Doctor clinician will follow up with you by phone to address general medical questions about the information provided in the second opinion.

What if I have follow-up questions for the expert after I have reviewed my second opinion?

If you have a clarifying question about an expert’s response to one of the questions in your second opinion, and the Natural Heart Doctor clinician is unable to address it, then you may request a follow up session for an additional fee. 

Is my medical and payment information secure?

Natural Heart Doctor is strongly committed to protecting the privacy and security of all our patients. Our website meets all federal requirements for protecting personal health information under the Health Insurance Portability and Accountability Act (HIPAA). All financial transactions are processed by Natural Heart Doctor securely using industry standard payment processing tools.

I would rather visit Natural Heart Doctor for an in-person appointment. What should I do next?

If you would prefer an in-person appointment at Natural Heart Doctor instead of an online second opinion, please call (480) 535-6844 for details and scheduling.

Can I schedule a follow up appointment with the specialist who provided my online second opinion?

Yes, we’re happy to help you on an extended basis. Our clinician can discuss options with you when presenting our second opinion summary.