KDP categories · Top KDP authors
Chronic Fatigue Syndrome: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Chronic Fatigue Syndrome, updated Nov 2, 2026: median price $7.99, median 39 reviews, average rating 4.6 and a KDPTop opportunity score of 26/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $9.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 14% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 5% of the parent category Diseases & Physical Ailments (714), one of the easier corners under it.
- Prices spread wide: the middle half runs from $3.99 to $9.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Chronic Fatigue Syndrome best sellers
-
Ending Chronic Illness: A Revolutionary New Program to Reverse Inflammation and Heal Persistent Disease
- List rank#1
- Price$16.99
- Rating4.4
- Reviews11
-
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#2
- Price$10.99
- Rating4.4
- Reviews2,693
-
Upright: A Cardiologist's Guide to Living with POTS and Other Dysautonomias
by Peem Lorvidhaya
- List rank#3
- Price$9.99
- Rating4.9
- Reviews15
-
Understanding Fibromyalgia: A Guide for the confused, frustrated, and newly diagnosed
by Matthew Dovie
- List rank#4
- Price$9.99
- Rating4.8
- Reviews27
-
Chair Yoga for Weight Loss & Toning: Complete Guide to Look and Feel Better in Just 10 Minutes a Day - Exercise Book for Seniors over 60 (Defy Aging at Home)
by Alex Harper
- List rank#5
- Price$5.99
- Rating4.4
- Reviews2,090
-
The Ultimate Anti-Inflammatory Diet for Women Over 70: A Simple, Science-Backed 90-Day Plan to Reduce Inflammation, Improve Mobility, and Regain Independence Without Giving Up Your Favorite Foods
by Liora Carroway
- List rank#6
- Price$0.99
- Rating4.3
- Reviews105
-
The Five-Minute Cortisol Reset for Women: A Science-Backed 21-Day Nervous System Plan With Somatic Exercises to Reduce Stress, Recover from Burnout, ... and Sleep Better (Women’s Longevity Series)
by Michelle H. Wells
- List rank#7
- Price$2.99
- Rating4.7
- Reviews46
-
The Complete Guide to the Anti-Inflammatory Diet and Lifestyle For Beginners: A Doctor-Written, Science-Based Plan to Reduce Inflammation, Ease Fatigue, and Boost Health Naturally (Clear Health)
by Josh Kim MD
- List rank#8
- Price$2.99
- Rating4.6
- Reviews116
-
POTS UNLOCKED: Simple Guide To Reduce Daily Symptoms, Manage Your Nervous System, Reclaim Your Energy & Start Living Well
by Jesica Flores
- List rank#9
- Price$4.99
- Rating4.7
- Reviews114
-
Change Your Environments: Redesign Your Life to Reclaim Your Health
by Dr. Eric Berg
- List rank#10
- Price$16.99
- Rating4.9
- Reviews63
Same niche in Books: Chronic Fatigue Syndrome & Fibromyalgia
FAQ
Is Chronic Fatigue Syndrome a good niche for Amazon KDP?
Its KDPTop opportunity score is 26/100, which makes it highly competitive. The median best seller has 39 reviews and sells for $7.99.
How many reviews do you need to rank in Chronic Fatigue Syndrome?
The median best seller has 39 reviews, and 68% of them have fewer than 100.
What do Chronic Fatigue Syndrome best sellers cost?
The median price is $7.99; half of the best sellers are priced between $3.99 and $9.99.
Can new books break into Chronic Fatigue Syndrome?
14% 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.