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AI Book Discoverability Index · genre

Health & fitness

5,419 citations · 554 distinct domains · Reddit cited 8× here · live index, updated continuously (11 Jun 2026)

The 10 sources AI cites most for health & fitness

'Books' = how many distinct audited titles the source was cited for — every ranked domain must span at least two, so one book can never skew the list. Click a domain to see a real cited URL.

1goodreads.com34848 bks
2youtube.com33937 bks
3en.wikipedia.org18150 bks
4runtothefinish.com17151 bks
5barnesandnoble.com16538 bks
6blinkist.com15250 bks
7penguinrandomhouse.com12850 bks
8readthistwice.com12249 bks
9us.humankinetics.com11847 bks
10amazon.com11539 bks
Want the full 554-domain list for health & fitness— plus your own book’s AI visibility score?Free check →£29.99 report

🔑 Niche kingmakers (outliers)

Domains that punch above their weight inside this genre but barely register globally — the hidden gatekeepers AI trusts here specifically.

runtothefinish.com171× hereacross 51 books#1 in genre · #75 global
blinkist.com152× hereacross 50 books#2 in genre · #52 global
readthistwice.com122× hereacross 49 books#3 in genre · #80 global
us.humankinetics.com118× hereacross 47 books#4 in genre · #116 global
thebioneer.com91× hereacross 33 books#5 in genre · #152 global
origym.co.uk79× hereacross 44 books#6 in genre · #174 global

Other genres: Psychological thriller · Crime thriller · Cosy crime · Romance · Romantasy · Epic fantasy · Science fiction · Historical fiction · full index →

Built from live citations across the four citation-transparent engines (ChatGPT, Claude, Gemini, Perplexity). A domain must be cited for at least two different audited books to rank; domains sourced ≥70% from one title are excluded. Book-level scores and the full domain list are part of the £29.99 report. Full detail: methodology.