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Back to Natural Health Dr. Robert Selig designs 100% natural therapeutic regimens customized around a patient's specific biochemistry.

Dr. Robert Selig, DC - Functional Medicine Practitioner and hair tissue mineral analysis expert - offers customized care plan packages to address chronic health issues affecting most of the population like mineral deficiency, fatigue, and copper toxicity. Blood tests do not provide enough information to properly address chronic health problems because they do not accurately measure deficiencies and toxicities at the root of all illness which is why we test our patients using serial hair tissue mineral analysis (HTMAs). Our mission is to identify, address, and manage chronic health problems in our patients using

Using HTMA helps us get to the root of chronic health problems in order to properly identify needs and address any deficiencies or toxicities. HTMA has been discovered to be the only test available that can accurately measure what is happening inside the cells, not just the blood. To properly address any issues, we give our patients the best nutritional medicine from around the world, and in conjunction, we employ time-tested natural healing methods to improve the efficiency and speed of the recovery process. Our approach has proven to significantly improve wellness, health, and vitality in adult and child patients without the use of expensive drugs and invasive medical procedures. Our goal is to help patients age gracefully and naturally—and avoiding unnecessary dangerous surgeries and future hospital visits. Dr. Selig explains to patients the CRITICAL importance of improving the inner gut terrain, following detoxification protocols, and enhancing the neuro-endocrine function by removing toxic metals in order to see improvement in overall mental, physical, and spiritual well-being. Patients receive invaluable natural health information to follow for the rest of their lives, and our most successful patients learn from Dr. Selig to create new natural healing habits tailored to their own lifestyle. Sign up for a free consultation to learn more at www.BackToNaturalHealth.com. We work with patients locally and worldwide—call with any questions at 773-325-2225 and book your appointment online!

Calcium fluoride is a remarkable homeopathic remedy for bones, the enamel of the teeth, and the elastic fibers of the bo...
10/23/2026

Calcium fluoride is a remarkable homeopathic remedy for bones, the enamel of the teeth, and the elastic fibers of the body that give suppleness and flexibility to tissues like your arteries and veins.

When a patient is overly flexible in their joints without strength and integrity, they may need calcium fluoride to restore tone to those tissues.

Conversely, when a patient has too many calcium deposits, calcium fluoride can help break them up.

These are the calcium deposits we see in cataracts, arterial sclerosis, joint deposition, kidney stones, gallstones, and deposits in the brain, heart, eyes, and joints.

When we see anyone over 40 who is prone to calcium deposition disease, we prescribe calcium fluoride because it addresses the underlying issue of misplaced calcium.

This is a brilliant example of how one mineral remedy can address both a lack of structural integrity and an excess of calcium deposition depending on the patient's needs.

Dr. Robert Selig
BackToNaturalHealth.com

10/23/2026

Calcium fluoride is the homeopathic remedy for bones, teeth enamel, and the elastic fibers that give suppleness to arteries and veins.

When joints are too flexible without strength and integrity, calcium fluoride can restore tone.

When calcium deposits accumulate in the eyes, arteries, joints, brain, heart, and kidneys, calcium fluoride helps break them up.

Anyone over 40 who is prone to calcium deposition disease should be considered for calcium fluoride.

This remedy addresses both a lack of structural integrity and an excess of calcium deposition depending on the patient's needs.

Dr. Robert Selig
BackToNaturalHealth.com

When a woman is pregnant, doctors routinely prescribe iron pills, but those pills are the number one cause of prenatal j...
10/22/2026

When a woman is pregnant, doctors routinely prescribe iron pills, but those pills are the number one cause of prenatal jaundice, constipation, and spontaneous miscarriage.

Instead of iron pills, we want to give iron phosphate in a 6X homeopathic potency, which works to oxygenate the body and support iron metabolism without the harmful side effects.

Iron phosphate is also a standalone remedy for anyone with a low grade fever of 101 degrees or less, and you can prescribe it without hesitation for those cases.

This remedy is brilliant because it acts as an oxygenator, adding intelligence to iron metabolism rather than forcing iron into the body in a form that causes harm.

Understanding the difference between iron pills and iron phosphate is essential for protecting the health of both mother and child during pregnancy.

Dr. Robert Selig
BackToNaturalHealth.com

10/22/2026

Doctors routinely prescribe iron pills during pregnancy, but those pills are the number one cause of prenatal jaundice, constipation, and spontaneous miscarriage.

Instead of iron pills, we give iron phosphate in a 6X homeopathic potency, which oxygenates the body and supports iron metabolism safely.

Iron phosphate is also a standalone remedy for low grade fevers of 101 degrees or less.

This remedy is brilliant because it adds intelligence to iron metabolism rather than forcing iron into the body in a harmful form.

Understanding this distinction is essential for protecting the health of both mother and child.

Dr. Robert Selig
BackToNaturalHealth.com

10/16/2026

Acid reflux happens when you do not have sufficient stomach acid to break down your food.

Without enough acid, food ferments in the upper digestive tract, and bacteria thrive in that low acid environment.

The fermentation produces hydrogen gas and organic acids like lactic acid, and it is these acids that cause the burning sensation.

The burning is not from too much hydrochloric acid. It is from fermentation caused by too little stomach acid.

Stomach acid is needed for nutrient absorption, protein digestion, and as your first line of defense.

Dr. Robert Selig
BackToNaturalHealth.com

10/14/2026

The claim that H. pylori thrives in an acidic environment is false, and that narrative was created to sell proton pump inhibitors.

Hydrogen is a proton, and the definition of an acid is its ability to donate hydrogen, which is why strong stomach acid destroys pathogens.

When stomach acid is in the 1.5 to 3 range, it renders any pathogen harmless by destroying it, neutralizing it, and eating it alive.

H. pylori and other infections exist because we do not have enough stomach acid, not because we have too much.

We must question the narrative and dig deeper, because the truth about stomach acid is the opposite of what we have been told.

Dr. Robert Selig
BackToNaturalHealth.com

Stomach acid is your first line of defense against bacterial infections, viral infections, and mycotoxins, and when you ...
09/23/2026

Stomach acid is your first line of defense against bacterial infections, viral infections, and mycotoxins, and when you are deficient in this beautiful gastric juice, you lose that protection entirely.

You need stomach acid to be strong, somewhere around a pH of 1.5 to 3, because at that strength it will render any bacterial infection, viral infection, or mycotoxin harmless.

When stomach acid is adequate, these pathogens never get a chance to colonize the small intestine, go rogue, and spread systemically throughout the body.

The classic example is H. pylori, a bacterial infection that affects half of the world's population, and the reason it is so prevalent is that half the world is deficient in stomach acid.

All healing begins in the gut, as Hippocrates told us from the very beginning, and every doctor who has taken the Hippocratic oath knows this.

To heal the gut, we must understand the mineral connection and recognize that stomach acid is not just for digestion but for protection.

Dr. Robert Selig
BackToNaturalHealth.com

09/23/2026

Stomach acid is your first line of defense against bacterial infections, viral infections, and mycotoxins.

You need stomach acid to be strong at a pH of 1.5 to 3 so it can destroy these pathogens before they colonize the small intestine and spread systemically.

H. pylori affects half the world's population because half the world is deficient in stomach acid.

All healing begins in the gut, as Hippocrates told us from the very beginning.

To heal the gut, we must understand the mineral connection and the role of stomach acid in protection.

Dr. Robert Selig
BackToNaturalHealth.com

The most important time to prescribe copper is when a patient presents with a step up pattern on hair tissue mineral ana...
09/18/2026

The most important time to prescribe copper is when a patient presents with a step up pattern on hair tissue mineral analysis.

A step up pattern is one of the most serious patterns we see, and in an adult it consists of fast oxidation, moderate to extreme, combined with a double low ratio.

The double low ratio means the calcium magnesium ratio is low and the sodium potassium ratio is also low.

This combination indicates that the patient is stepping out of life, and they are on the verge of a cardiovascular event that could be life changing.

They are knocking on heaven's door because they are highly susceptible to a heart attack, aortic aneurysm, stroke, or some other form of cardiovascular event.

This is where six to ten milligrams of copper becomes absolutely critical to give to the patient.

Copper helps slow down the oxidation rate and fix the double low ratio, which is why it is the most important time to prescribe this mineral.

Recognizing a step up pattern allows us to intervene before a catastrophic event occurs.

Dr. Robert Selig
BackToNaturalHealth.com

09/18/2026

The most important time to prescribe copper is in a step up pattern on HTMA.

A step up pattern in an adult is fast oxidation with a double low ratio, meaning calcium magnesium is low and sodium potassium is low.

This pattern indicates the patient is on the verge of a cardiovascular event such as a heart attack, aneurysm, or stroke.

Six to ten milligrams of copper is critical in this situation to slow the oxidation rate and fix the double low ratio.

Recognizing this pattern allows us to intervene before a life changing event occurs.

Dr. Robert Selig
BackToNaturalHealth.com

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1937 W Diversey Parkway
Chicago, IL
60614

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Monday 10am - 7pm
Tuesday 10am - 7pm
Wednesday 10am - 7pm
Thursday 10am - 7pm
Friday 10am - 7pm
Saturday 10am - 3pm

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