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Medicine (Portuguese, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Medicine (Portuguese, Kindle eBooks), updated Nov 2, 2026: median price $8.51, median 20 reviews, average rating 4.7 and a KDPTop opportunity score of 18/100 (highly competitive).

18Opportunity / 100
$8.51Median price
20Median reviews
Price range (middle 50%)$5.87 – $11.24
Average rating4.7
New releases (90 days)12%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 1% of the parent category Portuguese (3,458), one of the easier corners under it.
  • Its review barrier is lower than in 72% of Kindle eBooks categories: the median best seller has only 20 reviews, so new books can chart with few.

Top 10 Medicine best sellers

  1. Neuroplasticidade: O Cérebro que se Transforma: Como Reprogramar sua Mente, Mudar Hábitos, book cover by Vera Tanuri

    Neuroplasticidade: O Cérebro que se Transforma: Como Reprogramar sua Mente, Mudar Hábitos, Desenvolver Novas Conexões Cerebrais e Criar a Vida que Você ... (NEUROCIÊNCIA Livro 6) (Portuguese Edition)

    by Vera Tanuri

    • List rank#1
    • Price$1.99
    • Rating5.0
    • Reviews2

    View on Amazon · Full data on KDPTop

  2. Os Quíntuplos Inesperados do Mafioso: Proibida Para o Don (Portuguese Edition) book cover by Myra Mendes

    Os Quíntuplos Inesperados do Mafioso: Proibida Para o Don (Portuguese Edition)

    by Myra Mendes

    • List rank#2
    • Price$3.99
    • Rating4.7
    • Reviews108

    View on Amazon · Full data on KDPTop

  3. A RENDIÇÃO DO SEGURANÇA IMPLACÁVEL (Duologia homens de Seattle Livro 2) (Portuguese Editio book cover by Jaque  Axt

    A RENDIÇÃO DO SEGURANÇA IMPLACÁVEL (Duologia homens de Seattle Livro 2) (Portuguese Edition)

    by Jaque Axt

    • List rank#3
    • Price$2.99
    • Rating4.7
    • Reviews358

    View on Amazon · Full data on KDPTop

  4. Os sêxtuplos rejeitados do mafioso grego (Trigêmeos Gregos Livro 3) (Portuguese Edition) book cover by J.S Cherry

    Os sêxtuplos rejeitados do mafioso grego (Trigêmeos Gregos Livro 3) (Portuguese Edition)

    by J.S Cherry

    • List rank#4
    • Price$2.99
    • Rating4.8
    • Reviews2,367

    View on Amazon · Full data on KDPTop

  5. Protocolos: Um manual operacional do corpo humano (Portuguese Edition) book cover by Andrew D. Huberman

    Protocolos: Um manual operacional do corpo humano (Portuguese Edition)

    by Andrew D. Huberman

    • List rank#5
    • Price$9.99
    • Rating5.0
    • Reviews5

    View on Amazon · Full data on KDPTop

  6. Outlive: A arte e a ciência de viver mais e melhor (Portuguese Edition) book cover by Peter Attia

    Outlive: A arte e a ciência de viver mais e melhor (Portuguese Edition)

    by Peter Attia

    • List rank#6
    • Price$9.99
    • Rating4.8
    • Reviews5,481

    View on Amazon · Full data on KDPTop

  7. A Nova Perimenopausa: Um guia para sobreviver à zona do caos hormonal e voltar a ser você  book cover by Mary Claire Haver

    A Nova Perimenopausa: Um guia para sobreviver à zona do caos hormonal e voltar a ser você (Portuguese Edition)

    by Mary Claire Haver

    • List rank#7
    • Price$9.99
    • Rating4.7
    • Reviews14

    View on Amazon · Full data on KDPTop

  8. ANATOMIA HUMANA: Fundamentos dos Sistemas Esquelético, Articular e Muscular (Portuguese Ed book cover by Rubens Gomes Correa

    ANATOMIA HUMANA: Fundamentos dos Sistemas Esquelético, Articular e Muscular (Portuguese Edition)

    by Rubens Gomes Correa

    • List rank#8
    • Price$4.40
    • Rating4.7
    • Reviews20

    View on Amazon · Full data on KDPTop

  9. Nutrição comportamental (Portuguese Edition) book cover by Marle Alvarenga

    Nutrição comportamental (Portuguese Edition)

    by Marle Alvarenga

    • List rank#9
    • Price$32.42
    • Rating4.8
    • Reviews33

    View on Amazon · Full data on KDPTop

  10. ESTERILIZAÇÃO MINIMAMENTE INVASIVA EM CÃES E GATOS: Técnic Figueira do treinamento à práti book cover by Walter  Figueira

    ESTERILIZAÇÃO MINIMAMENTE INVASIVA EM CÃES E GATOS: Técnic Figueira do treinamento à prática de alto volume (Portuguese Edition)

    by Walter Figueira

    • List rank#10
    • Price$12.90
    • Rating5.0
    • Reviews1

    View on Amazon · Full data on KDPTop

FAQ

Is Medicine a good niche for Amazon KDP?

Its KDPTop opportunity score is 18/100, which makes it highly competitive. The median best seller has 20 reviews and sells for $8.51.

How many reviews do you need to rank in Medicine?

The median best seller has 20 reviews, and 64% of them have fewer than 100.

What do Medicine best sellers cost?

The median price is $8.51; half of the best sellers are priced between $5.87 and $11.24.

Can new books break into Medicine?

12% 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.