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Ulcers & Gastritis: Amazon KDP category data

Amazon Books Best Sellers data for Ulcers & Gastritis, updated Nov 2, 2026: median price $15.99, median 11 reviews, average rating 4.3 and a KDPTop opportunity score of 27/100 (highly competitive).

27Opportunity / 100
$15.99Median price
11Median reviews
Price range (middle 50%)$12.98 – $17.99
Average rating4.3
New releases (90 days)9%
Books on the list100
StoreBooks

What stands out

  • Its median reviews are 0% of the parent category Diseases & Physical Ailments (2,378), one of the easier corners under it.
  • Its review barrier is lower than in 82% of Books categories: the median best seller has only 11 reviews, so new books can chart with few.

Top 10 Ulcers & Gastritis best sellers

  1. Why Zebras Don't Get Ulcers, Third Edition book cover by Robert M. Sapolsky

    Why Zebras Don't Get Ulcers, Third Edition

    by Robert M. Sapolsky

    • List rank#1
    • Price$12.95
    • Rating4.6
    • Reviews3,459

    View on Amazon · Full data on KDPTop

  2. The Science-Backed Anti-Inflammatory Diet for Beginners: A Hassle-Free Guide and Simple Me book cover by Yasmine Elamir

    The Science-Backed Anti-Inflammatory Diet for Beginners: A Hassle-Free Guide and Simple Meal Plan To Enhance Immunity, Optimize Gut Health, and Reduce Chronic Pain at Any Age

    by Yasmine Elamir

    • List rank#2
    • Price$9.99
    • Rating4.2
    • Reviews1,480

    View on Amazon · Full data on KDPTop

  3. The Gastritis Healing Book: A Comprehensive Guide to Heal Gastritis and Restore Your Stoma book cover by L. G. Capellan

    The Gastritis Healing Book: A Comprehensive Guide to Heal Gastritis and Restore Your Stomach Health

    by L. G. Capellan

    • List rank#3
    • Price$15.99
    • Rating4.6
    • Reviews1,153

    View on Amazon · Full data on KDPTop

  4. The 5 Ingredient Low-Fodmap Diet Cookbook: Tasty, 15-Minute Recipes and a 60-Day Meal Plan book cover by Marianne Greene

    The 5 Ingredient Low-Fodmap Diet Cookbook: Tasty, 15-Minute Recipes and a 60-Day Meal Plan to Relieve IBS and Soothe Your Gut

    by Marianne Greene

    • List rank#4
    • Price$24.45
    • Rating4.7
    • Reviews54

    View on Amazon · Full data on KDPTop

  5. The Gastritis Healing Book: A Comprehensive Guide to Overcome Gastritis and Restore Your S book cover by L.G. Capellan

    The Gastritis Healing Book: A Comprehensive Guide to Overcome Gastritis and Restore Your Stomach Health

    by L.G. Capellan

    • List rank#5
    • Price$17.82
    • Rating4.7
    • Reviews79

    View on Amazon · Full data on KDPTop

  6. The Gastritis Healing Cookbook: 125+ Delicious, Gastritis-Friendly Recipes to Soothe and H book cover by L.G. Capellan

    The Gastritis Healing Cookbook: 125+ Delicious, Gastritis-Friendly Recipes to Soothe and Heal Your Stomach

    by L.G. Capellan

    • List rank#6
    • Price$24.99
    • Rating4.4
    • Reviews66

    View on Amazon · Full data on KDPTop

  7. Diverticulitis Cookbook: A Beginner’s Guide to Tackle Flare-Ups Head-On & Manage Digestion book cover by Megan Rush

    Diverticulitis Cookbook: A Beginner’s Guide to Tackle Flare-Ups Head-On & Manage Digestion with a 3-Stage Gut-Friendly Diet | 30-Day Meal Plan with Quick & Easy, Soothing Recipes

    by Megan Rush

    • List rank#7
    • Price$16.95
    • Rating4.4
    • Reviews103

    View on Amazon · Full data on KDPTop

  8. Slow Cooker Anti-Inflammatory Cookbook for Seniors for Two: Perfectly Portioned, Low-Sodiu book cover by Margaret Ashford

    Slow Cooker Anti-Inflammatory Cookbook for Seniors for Two: Perfectly Portioned, Low-Sodium Meals That Reduce Food Waste, Simplify Cooking, and Boost ... Everyday Meals For Seniors For Two)

    by Margaret Ashford

    • List rank#8
    • Price$19.99
    • Rating4.7
    • Reviews37

    View on Amazon · Full data on KDPTop

  9. acid reflux and barrette's esophagus diet cookbook: Soothing Low-Acid Recipes to Calm Hear book cover by leslie steward

    acid reflux and barrette's esophagus diet cookbook: Soothing Low-Acid Recipes to Calm Heartburn and Support GERD & LPR Relief

    by leslie steward

    • List rank#9
    • Price$16.99
    • Rating5.0
    • Reviews4

    View on Amazon · Full data on KDPTop

  10. The Anti-Inflammatory Slow Cooker Cookbook for Beginners: 101+ Easy One-Pot Slow Cooker Me book cover by Gianna Moretti

    The Anti-Inflammatory Slow Cooker Cookbook for Beginners: 101+ Easy One-Pot Slow Cooker Meals to Reduce Inflammation, Boost Energy, and Feel Better Every Day

    by Gianna Moretti

    • List rank#10
    • Price$19.97
    • Rating4.6
    • Reviews76

    View on Amazon · Full data on KDPTop

FAQ

Is Ulcers & Gastritis a good niche for Amazon KDP?

Its KDPTop opportunity score is 27/100, which makes it highly competitive. The median best seller has 11 reviews and sells for $15.99.

How many reviews do you need to rank in Ulcers & Gastritis?

The median best seller has 11 reviews, and 89% of them have fewer than 100.

What do Ulcers & Gastritis best sellers cost?

The median price is $15.99; half of the best sellers are priced between $12.98 and $17.99.

Can new books break into Ulcers & Gastritis?

9% 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.