Dr. Wool's Natural Gastro Blog

A deeper dive into your gut health, including common GI conditions, supplements, botanicals, peptides and hormones Dr. Dan Wool, NMD | Arizona-licensed Naturopathic Physician | Gastroenterology & Hormone Specialist | 8+ Years Experience

What Is a Herxheimer Reaction? Triggers and Gut Treatment Expectations

What Is a Herxheimer Reaction? Triggers and Gut Treatment Expectations

A Herxheimer reaction happens when dying bacteria flood the body with toxins during gut treatment. Learn what causes it, what to expect, and how to manage it.

By Dr Dan Wool, NMD
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Peppermint Oil for Gut Health and Gas Relief: Should You Take It If You Have Gastritis?

Peppermint Oil for Gut Health and Gas Relief: Should You Take It If You Have Gastritis?

Peppermint oil is a proven carminative herb for IBS, bloating, and gas. But if you have gastritis or GERD, timing and formulation matter more than you think.

By Dr Dan Wool, NMD
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What Is Post-Antibiotic Dysbiosis and Post-Infectious Diarrhea? What to Do When It Persists

What Is Post-Antibiotic Dysbiosis and Post-Infectious Diarrhea? What to Do When It Persists

Post-antibiotic dysbiosis and post-infectious diarrhea can persist for months. Learn what happens to the gut microbiome and what actually works to restore it.

By Dr Dan Wool, NMD
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What Do Fried Foods, Seed Oils, and Trans Fats Do to the Gut?

What Do Fried Foods, Seed Oils, and Trans Fats Do to the Gut?

Fried foods, seed oils, and trans fats damage the gut lining, disrupt the microbiome, and drive inflammation. Learn exactly what the research shows and what to do.

By Dr Dan Wool, NMD
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What Is the Migrating Motor Complex? Its Importance and When to Consider Its Impairment

What Is the Migrating Motor Complex? Its Importance and When to Consider Its Impairment

The Migrating Motor Complex (MMC) is the gut

By Dr Dan Wool, NMD
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What is the FoodMarble? What do the studies say about this tool for IBS and SIBO?

What is the FoodMarble? What do the studies say about this tool for IBS and SIBO?

FoodMarble AIRE 2 is a portable breath tester for SIBO, IBS, and food intolerances. Learn what the device does, what studies say, and its real-world limitations.

By Dr Dan Wool, NMD
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What Is Cholestasis? When Does It Occur and When Should You Be Concerned?

What Is Cholestasis? When Does It Occur and When Should You Be Concerned?

Cholestasis (a/k/a "bile sludge") is a slowing or blockage of bile flow that can cause jaundice, itching, and digestive disruption. Learn types, causes, red flag symptoms and treatment.

By Dr Dan Wool, NMD
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What Is the Specific Carbohydrate Diet (SCD)? When to Consider It and Is Too Restrictive?

What Is the Specific Carbohydrate Diet (SCD)? When to Consider It and Is Too Restrictive?

The Specific Carbohydrate Diet (SCD) eliminates complex carbs to help calm gut inflammation. Learn what it is, who it helps, and whether its restrictions are worth it.

By Dr Dan Wool, NMD
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What's the Connection Between Gut Dysfunction and Migraine Headaches?

What's the Connection Between Gut Dysfunction and Migraine Headaches?

The gut-migraine connection is real. Learn how dysbiosis, serotonin imbalance, H. pylori, and gut inflammation can drive migraines — and what you can do about it.

By Dr Dan Wool, NMD
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Acacia Fiber and Gut Health: The Gentle Prebiotic That Sensitive Guts Can Actually Tolerate

Acacia Fiber and Gut Health: The Gentle Prebiotic That Sensitive Guts Can Actually Tolerate

Acacia fiber is a gentle, low-FODMAP prebiotic that feeds beneficial gut bacteria without triggering bloating. Learn what the research says about its benefits.

By Dr Dan Wool, NMD
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Is Vagus Nerve Dysfunction a Real Condition?

Is Vagus Nerve Dysfunction a Real Condition?

Is vagus nerve dysfunction a real condition? Learn how to recognize compromised vagal tone, what it does to gut health, and evidence-based ways to restore it.

By Dr Dan Wool, NMD
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What Are the 4-Rs of SIBO Treatment? A Complete Guide to This Functional Medicine Framework

What Are the 4-Rs of SIBO Treatment? A Complete Guide to This Functional Medicine Framework

The 4-Rs of SIBO treatment — Remove, Replace, Reinoculate, Repair — offer a structured framework for lasting gut healing beyond antibiotics. Here is how it works.

By Dr Dan Wool, NMD
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