KDP categories · Top KDP authors
Endocrinology: Amazon KDP category data
Amazon Books Best Sellers data for Endocrinology, updated Nov 2, 2026: median price $72.69, median 5 reviews, average rating 4.6 and a KDPTop opportunity score of 33/100 (highly competitive).
| Price range (middle 50%) | $45.07 – $172 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 2% of the parent category Clinical (312), one of the easier corners under it.
- At $72.69 its median price beats 98% of Books categories, leaving more margin per copy.
- Its review barrier is lower than in 90% of Books categories: the median best seller has only 5 reviews, so new books can chart with few.
Top 10 Endocrinology best sellers
-
Hashimoto's Thyroiditis: Lifestyle Interventions for Finding and Treating the Root Cause
- List rank#1
- Price$23.40
- Rating4.7
- Reviews3,827
-
Cancer as a Metabolic Disease: On the Origin, Management, and Prevention of Cancer
by Thomas Seyfried
- List rank#2
- Price$53.66
- Rating4.6
- Reviews376
-
Endocrinology Made Ridiculously Simple
- List rank#3
- Price$29.95
- Rating4.7
- Reviews66
-
Clinical Biochemistry Made Ridiculously Simple: Color Edition
- List rank#4
- Price$29.95
- Rating4.5
- Reviews108
-
Endocrine Secrets
by Michael T. McDermott MD
- List rank#5
- Price$44.99
- Rating4.7
- Reviews4
-
Dr. Vodder's Manual Lymph Drainage: A Practical Guide
by Hildegard Wittlinger
- List rank#6
- Price$68.99
- Rating4.7
- Reviews177
-
A Practitioner's Guide to Mastering Functional Medicine Lab Values - Hormonal Health & Balance: (Part 3 of 4) Panels for Reproductive, Adrenal, and Thyroid Function
by Dr. Brandy Zachary
- List rank#7
- Price$39.40
- Rating4.9
- Reviews23
-
Principles of Hormone Replenishment Therapy for Longevity and Living Younger: A Precision Clinical Manual for Physicians and Nurse Practitioners on ... Healthy Aging, and Physiologic Renewal
by Nathaniel Alder, MD
- List rank#8
- Price$34.91
- Reviews-
-
Schein’s Common Sense Wound Care Management
by Moshe Schein
- List rank#9
- Price$31.96
- Rating5.0
- Reviews1
-
Encyclopedia of Endocrine Diseases
by Ilpo Huhtaniemi
- List rank#10
- Price$3,199
- Rating4.5
- Reviews2
FAQ
Is Endocrinology a good niche for Amazon KDP?
Its KDPTop opportunity score is 33/100, which makes it highly competitive. The median best seller has 5 reviews and sells for $72.69.
How many reviews do you need to rank in Endocrinology?
The median best seller has 5 reviews, and 89% of them have fewer than 100.
What do Endocrinology best sellers cost?
The median price is $72.69; half of the best sellers are priced between $45.07 and $172.
Can new books break into Endocrinology?
8% 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.