Why Doesn't My Doctor Know This?: Conquering Irritable Bowel Syndrome, Inflammatory Bowel Disease, Crohn's Disease and Colitis

Why Doesn't My Doctor Know This?: Conquering Irritable Bowel Syndrome, Inflammatory Bowel Disease, Crohn's Disease and Colitis

by David Dahlman DC

4.3 (70)

4.3 stars from 70 reviews


$2.9977% off peak

Last checked: May 27, 2026

Price history: $0.99 $13.28

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Price range: $0.99 $13.28

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Fans of these authors will like this...

  • Michael Pollan
  • Amy Myers

Fans of these books will like this...

  • The Gut Balance Revolution
  • The Autoimmune Solution

Perfect for you if...

  • You've tried multiple medications for IBS or Crohn's disease and still feel miserable, and you're ready to explore what conventional medicine might have missed.
  • You want a structured approach with specific dietary changes and supplement recommendations rather than vague wellness advice.
  • You're sceptical of your current treatment plan and willing to investigate alternative causes before accepting that you're stuck with your symptoms.

Maybe not for you if...

  • You trust your gastroenterologist completely and aren't interested in questioning their approach to managing your condition.
  • You're looking for quick fixes or magic cures rather than a systematic plan that requires commitment and dietary changes.
  • You're uncomfortable with supplement-based approaches or prefer to stick strictly to pharmaceutical interventions.

About this book

Why Doesn't My Doctor Know This? presents a natural approach to gastrointestinal symptoms associated with irritable bowel syndrome, Crohn's disease, and colitis. The book is designed for people whose symptoms—including gas, bloating, indigestion, heartburn, reflux, GERD, diarrhea, constipation, alternating diarrhea and constipation, abnormal bowel urgency, abnormal bowel frequency, pain, spasms, blood, mucus, hemorrhoids, and hiatal hernia—have not improved with medication. Dahlman outlines a physician-designed step-by-step plan that combines dietary advice with an all-natural supplement program. The approach addresses nine variables that may be contributing to the condition.

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Price History

Kindle price over time. Green zones = periods when the book was free.

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Free$6.64$13.28Mar '21Apr '23Sep '24May '26
$0.99$13.28

Currently on sale at $2.99 — 77% off peak. Price has dropped 53 times over the last 5 years. Goes on sale roughly every 35 days. Typically stays discounted for 30 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#17,587#748,213#1,478,839Mar '18May '22Aug '23May '26

Currently around #289K in the Kindle store — a niche title.

Rating & Reviews

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3.5★4.3★5.0★Mar '24Aug '25May '26RatingReviews

Currently 4.3★ from 70 reviews

Review activity has been quiet recently. Rating has remained stable at 4.3 over the tracking period.

Sale Prediction

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Free$6.64$13.28Mar '21Apr '23Sep '24May '26PredictedMay '26

Actual Predicted

This book is currently discounted at $2.99. It typically returns to around $13.28.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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David Dahlman DC

1 book on Vagrant Press

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