KDP categories · Top KDP authors
Chronic Fatigue Syndrome & Fibromyalgia: Amazon KDP category data
Amazon Books Best Sellers data for Chronic Fatigue Syndrome & Fibromyalgia, updated Nov 3, 2026: median price $17.99, median 80 reviews, average rating 4.6 and a KDPTop opportunity score of 34/100 (highly competitive).
| Price range (middle 50%) | $14.39 – $20.87 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 11% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 3% of the parent category Diseases & Physical Ailments (2,378), one of the easier corners under it.
Top 10 Chronic Fatigue Syndrome & Fibromyalgia best sellers
-
Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persistent Disease
- List rank#1
- Price$29.12
- Rating4.4
- Reviews11
-
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#2
- Price$15.48
- Rating4.5
- Reviews1,224
-
I Haven’t Been Entirely Honest with You: The Celebrity Traitors Star Reveals the Lessons She’s Learned in Her Story to Joy
by Miranda Hart
- List rank#3
- Price$16.89
- Rating4.4
- Reviews2,693
-
The Vagus Nerve Healing Guidebook: A 4 Week Program to Regulate Your Nervous System - Calm Inflammation, Anxiety and Stress, Improve Digestion and ... Science Backed Exercises for Daily Life
by Akanksha Redhu
- List rank#4
- Price$18.19
- Rating4.7
- Reviews80
-
Change Your Environments: Redesign Your Life to Reclaim Your Health
by Dr. Eric Berg
- List rank#5
- Price$28.99
- Rating4.9
- Reviews63
-
Understanding Fibromyalgia: A Guide for the confused, frustrated, and newly diagnosed
by Matthew Dovie
- List rank#6
- Price$19.99
- Rating4.8
- Reviews27
-
Sacred Rest: Recover Your Life, Renew Your Energy, Restore Your Sanity
by Dr. Saundra Dalton-Smith
- List rank#7
- Price$11.77
- Rating4.6
- Reviews1,492
-
Upright: A Cardiologist's Guide to Living with POTS and Other Dysautonomias
by Peem Lorvidhaya
- List rank#8
- Price$19.99
- Rating4.9
- Reviews15
-
Cure Your Fatigue: The Root Cause and How to Fix It On Your Own
by Morley M. Robbins
- List rank#9
- Price$18.19
- Rating4.7
- Reviews1,052
-
The Ultimate Food List for Kidney Disease: Low Potassium and Low Phosphorus Food Choices to Nurture Your Health | The Definitive Guide and 28-Day Meal Plan to Manage CKD with Confidence
by Rita Lambert
- List rank#10
- Price$20.67
- Rating4.3
- Reviews337
Same niche in Kindle eBooks: Chronic Fatigue Syndrome
FAQ
Is Chronic Fatigue Syndrome & Fibromyalgia a good niche for Amazon KDP?
Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 80 reviews and sells for $17.99.
How many reviews do you need to rank in Chronic Fatigue Syndrome & Fibromyalgia?
The median best seller has 80 reviews, and 57% of them have fewer than 100.
What do Chronic Fatigue Syndrome & Fibromyalgia best sellers cost?
The median price is $17.99; half of the best sellers are priced between $14.39 and $20.87.
Can new books break into Chronic Fatigue Syndrome & Fibromyalgia?
11% 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.