Personal Health — Kindle Category Opportunity
Competition snapshot for the Health, Fitness & Dieting best-seller list, ease-of-entry score 54.5/100.
Category metrics
Score
54.5
Median reviews
1,025
Weak share (top 20)
45%
Median price
$8.99
Median star rating
4.6
Books scanned
50
Worth writing in?
The Personal Health list shows real reader demand with room left for newcomers: the median book carries 1025 reviews, yet 45% of the top 20 still sit under 100 reviews. 2 top-15 books hold fewer than 100 reviews at $0.99–4.99 — classic self-publishing breakout books. Ease-of-entry score 54.5/100.
Breakout books — top 15, under 100 reviews, $0.99–4.99
Best-seller list on Amazon| # | Title | Star | Reviews | Price |
|---|---|---|---|---|
| 6 | THE VITALITY HORIZON: Rethinking Human Health, Longevity and our Biological Potential | — | 0 | $4.99 |
| 15 | Autoimmunity and the Good Girls: How Permission to Put Ourselves First Has the Power to Keep Us Well | 4.6 | 79 | $2.99 |
High-frequency phrases in this category's titles
Mine all categoriesHigh-frequency phrases mined from the 50 best-seller titles on this category's list. The ease-of-entry score tells you how winnable the category is; these title phrases tell you which words readers search with — use the two layers together. Frequency is a title statistic, not a search-volume estimate.
| Phrase | Titles | Rank-weighted score |
|---|---|---|
| new science | 2 | 36 |
| weight loss | 2 | 33 |
| revised and updated | 2 | 30 |
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More Health, Fitness & Dieting categories
7 subcategories under this category
| Subcategory | Score | Median reviews |
|---|---|---|
| █████ | 63.0 | 28 |
| █████ | 56.5 | 112.5 |
| █████ | 53.0 | 1135.5 |
| █████ | 52.0 | 208 |
| █████ | 48.5 | 54 |
| █████ | 47.0 | 1616 |
| █████ | 32.5 | 561.5 |
Subcategory names are visible after sign-in — a free account unlocks every subcategory score.
Sign up free to unlockCheck the keywords before you write
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After you publish: why aren't readers buying?
Category research picks the direction; review diagnosis reads the readers. The same platform clusters a book's critical reviews into severity-ranked root causes, each anchored to verbatim quotes — see it applied to a full narrative-history title.
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Research snapshot scanned on Oct 19, 2026. Refreshed periodically — not live tracking.