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Gastroenterology (Internal Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Gastroenterology (Internal Medicine, Books), updated Nov 2, 2026: median price $15.99, median 116 reviews, average rating 4.5 and a KDPTop opportunity score of 28/100 (highly competitive).
| Price range (middle 50%) | $12.04 – $19.90 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 6% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 6% of the parent category Internal Medicine (2,081), one of the easier corners under it.
Top 10 Gastroenterology best sellers
-
Love Your Gut: Supercharge Your Digestive Health and Transform Your Well-Being from the Inside Out
by Megan Rossi
- List rank#1
- Price$1.99
- Rating4.7
- Reviews311
-
Plant Powered Plus: Activate the Power of Your Gut to Tame Inflammation and Reclaim Your Health
- List rank#2
- Price$16.15
- Rating4.6
- Reviews435
-
The Liver Cure: Natural Solutions for Liver Health to Target Symptoms of Fatty Liver Disease, Autoimmune Diseases, Diabetes, Inflammation, Stress & Fatigue, Skin Conditions, and Many More
- List rank#3
- Price$15.48
- Rating4.5
- Reviews1,224
-
You've Been Pooping All Wrong: How to Make Your Bowel Movements a Joy
by Trisha Pasricha MD MPH
- List rank#4
- Price$15.99
- Rating4.5
- Reviews375
-
Fiber Fueled: The Plant-Based Gut Health Program for Losing Weight, Restoring Your Health, andOptimizing Your Microbiome
- List rank#5
- Price$13.20
- Rating4.7
- Reviews7,303
-
The Fiber Fueled Cookbook: Inspiring Plant-Based Recipes to Turbocharge Your Health
- List rank#6
- Price$17.60
- Rating4.7
- Reviews2,760
-
The Amazing Liver and Gallbladder Flush: A Powerful Do-It-Yourself Tool to Optimize Your Health and Well-being...and Much More
by Andreas Moritz
- List rank#7
- Price$13.70
- Rating4.7
- Reviews2,037
-
The Anti-Inflammatory Diet Slow Cooker Cookbook: Prep-and-Go Recipes for Long-Term Healing
by Madeline Given
- List rank#8
- Price$10.58
- Rating4.4
- Reviews3,895
-
The Low-FODMAP Diet Step by Step: A Personalized Plan to Relieve the Symptoms of IBS and Other Digestive Disorders -- with More Than 130 Deliciously Satisfying Recipes
by Kate Scarlata
- List rank#9
- Price$12.04
- Rating4.5
- Reviews881
-
The Gut-Brain Paradox: Improve Your Mood, Clear Brain Fog, and Reverse Disease by Healing Your Microbiome ― A Nutrition Guide to Leaky Gut (The Plant Paradox, 9)
- List rank#10
- Price$15.99
- Rating4.6
- Reviews371
FAQ
Is Gastroenterology a good niche for Amazon KDP?
Its KDPTop opportunity score is 28/100, which makes it highly competitive. The median best seller has 116 reviews and sells for $15.99.
How many reviews do you need to rank in Gastroenterology?
The median best seller has 116 reviews, and 49% of them have fewer than 100.
What do Gastroenterology best sellers cost?
The median price is $15.99; half of the best sellers are priced between $12.04 and $19.90.
Can new books break into Gastroenterology?
6% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.