KDP categories · Top KDP authors
Clinical (Pharmacology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Clinical (Pharmacology, Books), updated Nov 3, 2026: median price $24.99, median 13 reviews, average rating 4.5 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $15.99 – $50.08 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 17% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 5% of the parent category Pharmacology (252), one of the easier corners under it.
- 17% of its best sellers came out in the last 90 days, more than in 86% of Books categories: readers here keep buying new titles.
- Its review barrier is lower than in 79% of Books categories: the median best seller has only 13 reviews, so new books can chart with few.
Top 10 Clinical best sellers
-
The Complete Peptide Protocols Playbook: Clear, Safe, Science-Based Stacks to Lose Fat, Boost Energy, Improve Performance, and Feel Younger While Knowing Exactly What to Take and How to Use It
by Dr. Alexander M. Keaton
- List rank#1
- Price$15.99
- Rating3.8
- Reviews135
-
High-Performance Peptide Protocols Bible: Evidence-Based Stacks for Energy & Focus, Muscle Growth, Weight Loss, Anti-Aging, Gut Health, and Longevity — Personalized to Your Age, Biology, and Goals
by Clara J. Winslow
- List rank#2
- Price$27.14
- Rating3.6
- Reviews307
-
PRESCRIBING WITH CONFIDENCE: Clinical Decision Making for Psychiatric Mental Health Nurse Practitioners
by Talia Nelson
- List rank#3
- Price$19.99
- Rating5.0
- Reviews4
-
The Ultimate Peptides Bible: A Complete Guide to Safe, Science-Backed Peptide Therapy for Weight Loss, Muscle Growth, Anti-Aging, Gut Health, Brain ... Ultimate Longevity and Biohacking Handbooks)
by Tom Ralston
- List rank#4
- Price$34.99
- Rating4.4
- Reviews945
-
Magic Bullet: Methylene Blue: The Ultimate Mitochondrial Support: Explore An Approach to Health and Healing That Goes To The Core Of Disease. (The Lieurance Protocols)
by Dr John Lieurance
- List rank#5
- Price$32.95
- Rating4.6
- Reviews19
-
Deep Medicine: How Artificial Intelligence Can Make Healthcare Human Again
- List rank#6
- Price$14.80
- Rating4.6
- Reviews926
-
The Beginners Guide to DMSO: A Complete Guide to Healing with Dimethyl Sulfoxide for Pain, Inflammation, Nerve Damage, Joint Health, Chronic Ailments, Anti-Aging and Long-Term Wellness
by Tom Ralston
- List rank#7
- Price$6.99
- Rating4.5
- Reviews61
-
Infected: An Infectious Disease Medical Word Search & Clinical Review for Pharmacy, Medical, and Nursing Students (Memory Pharm Clinical Puzzle Series)
by Michele Dinh PharmD
- List rank#8
- Price$16.99
- Reviews-
-
Nursing Pharmacology Notebook: Blank Medication Templates to Help Nursing School Students to Study & Memorize Key Drug Details. (Pink Cover)
by Ken Mihara
- List rank#9
- Price$8.99
- Rating4.7
- Reviews49
-
BCPS Bullets
by Eric Christianson
- List rank#10
- Price$49.78
- Rating4.2
- Reviews102
FAQ
Is Clinical a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 13 reviews and sells for $24.99.
How many reviews do you need to rank in Clinical?
The median best seller has 13 reviews, and 82% of them have fewer than 100.
What do Clinical best sellers cost?
The median price is $24.99; half of the best sellers are priced between $15.99 and $50.08.
Can new books break into Clinical?
17% 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.