KDP categories · Top KDP authors
Endocrinology & Metabolism (Internal Medicine, Books): Amazon KDP category data
Amazon Books Best Sellers data for Endocrinology & Metabolism (Internal Medicine, Books), updated Nov 2, 2026: median price $17.91, median 116 reviews, average rating 4.6 and a KDPTop opportunity score of 34/100 (highly competitive).
| Price range (middle 50%) | $13.05 – $24.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 13% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 6% of the parent category Internal Medicine (2,081), one of the easier corners under it.
Top 10 Endocrinology & Metabolism best sellers
-
The Obesity Code: Unlocking the Secrets of Weight Loss (Why Intermittent Fasting Is the Key to Controlling Your Weight)
- List rank#1
- Price$11
- Rating4.6
- Reviews38,220
-
The Hunger Code: Resetting Your Body's Fat Thermostat in the Age of Ultra-Processed Food
- List rank#2
- Price$16.99
- Rating4.7
- Reviews649
-
Estrogen Matters: Why Taking Hormones in Menopause Can Improve and Lengthen Women's Lives -- Without Raising the Risk of Breast Cancer (2024 Revised and Updated Edition)
by Avrum Bluming
- List rank#3
- Price$17.91
- Rating4.7
- Reviews1,186
-
Mastering Diabetes: The Revolutionary Method to Reverse Insulin Resistance Permanently in Type 1, Type 1.5, Type 2, Prediabetes, and Gestational Diabetes
by Cyrus Khambatta PhD
- List rank#4
- Price$11.55
- Rating4.6
- Reviews4,506
-
Cure Your Fatigue, Second Edition: The Root Cause and How to Fix It On Your Own
by Morley M. Robbins
- List rank#5
- Price$20.46
- Rating4.7
- Reviews1,052
-
Stay Off My Kitchen Table: A Heart Surgeon’s 4-Week Elimination Diet for Gut Repair, Metabolic Health, and Longevity
by Philip Ovadia
- List rank#6
- Price$24.31
- Rating4.4
- Reviews98
-
Rethinking Hypothyroidism: Why Treatment Must Change and What Patients Can Do
by Antonio C. Bianco MD
- List rank#7
- Price$19.01
- Rating4.4
- Reviews138
-
The Kidney Disease Food List Bible: The Instructions You Never Got — A Clear Grocery Guide for the Renal Diet with 300+ Foods to Make Safe Food Choices Based on Your Labs
by Henry Martin
- List rank#8
- Price$19.99
- Rating4.6
- Reviews115
-
The Ultimate Peptides Bible: A Complete Guide to Safe, Science-Backed Peptide Therapy for Weight Loss, Muscle Growth, Anti-Aging, Gut Health, Brain Fog, ... Longevity and Biohacking Handbooks)
by Tom Ralston
- List rank#9
- Price$9.99
- Rating4.4
- Reviews946
-
The Complete Lymphedema Management and Nutrition Guide: Empowering Strategies, Supporting Recipes and Therapeutic Exercises
by Jean LaMantia RD
- List rank#10
- Price$23.23
- Rating4.6
- Reviews595
FAQ
Is Endocrinology & Metabolism a good niche for Amazon KDP?
Its KDPTop opportunity score is 34/100, which makes it highly competitive. The median best seller has 116 reviews and sells for $17.91.
How many reviews do you need to rank in Endocrinology & Metabolism?
The median best seller has 116 reviews, and 45% of them have fewer than 100.
What do Endocrinology & Metabolism best sellers cost?
The median price is $17.91; half of the best sellers are priced between $13.05 and $24.99.
Can new books break into Endocrinology & Metabolism?
13% 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.