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Topic · Nutrition and Dietetics

Vitamin K Research Studies

Vitamin K Research Studies is a research topic within Nutrition and Dietetics. Science Explorer counts 15k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the role of Vitamin K in various aspects of health, including bone health, prevention of fractures, regulation of vascular calcification, and its association with chronic diseases. The research covers topics such as dietary intake, supplementation, and the impact of Vitamin K on coagulation factors and matrix Gla protein.

  • Vitamin K
  • bone health
  • vascular calcification
  • osteoporosis
  • menaquinone
  • coagulation factors
  • dietary intake
  • phylloquinone
  • matrix Gla protein
  • chronic diseases
Research works
15k
fractional, since 1950
In the world top 10%
1.5k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+2%
the tick is no change
Largest producer
China
29% of the 10 largest, 2022-now
Vitamin K Research Studies

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Vitamin K Research Studies research?

By volume, China and the United States publish the most (343 and 311 works in 2022-now).

By volume, 2022-now

  1. 1 China 343 works
  2. 2 United States 311 works
  3. 3 India 101 works
  4. 4 Japan 94 works
  5. 5 United Kingdom 66 works
  6. 6 Germany 58 works
  7. 7 Italy 56 works
  8. 8 Türkiye 54 works
  9. 9 France 48 works
  10. 10 Spain 45 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 29.2%United States: 26.5%India: 8.6%Japan: 8.0%6 others listed: 27.8%29%largest
China343 · 29.2%United States311 · 26.5%India101 · 8.6%Japan94 · 8.0%6 others listed327 · 27.8%

Shares of the rows listed above, not of the whole node.

Which institutions lead Vitamin K Research Studies research?

By volume in 2022-now, Harvard University publishes the most Vitamin K Research Studies research, followed by Sichuan University and Shanghai Jiao Tong University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 13 works
  2. 2 Sichuan UniversityChina 9 works
  3. 3 Shanghai Jiao Tong UniversityChina 8 works
  4. 4 Maastricht UniversityNetherlands 7 works
  5. 5 Central South UniversityChina 6 works
  6. 6 Chinese Academy of SciencesChina 6 works
  7. 7 Zhejiang UniversityChina 6 works
  8. 8 Sun Yat-sen UniversityChina 6 works
  9. 9 University of North Carolina at Chapel HillUnited States 6 works
  10. 10 Nanjing Medical UniversityChina 6 works

Who are the leading researchers in Vitamin K Research Studies?

The most-cited researchers publishing on Vitamin K Research Studies include George Davey Smith, Ali H. Mokdad and Walter Churchill Willett.

  1. 1 George Davey Smith United Kingdom 435k citations
  2. 2 Ali H. Mokdad United States 429k citations
  3. 3 Walter Churchill Willett United States 411k citations
  4. 4 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  5. 5 John J.V. McMurray United Kingdom 349k citations
  6. 6 Hermann Brenner Germany 343k citations
  7. 7 Cyrus Cooper United Kingdom 342k citations
  8. 8 Emelia J. Benjamin United States 341k citations
  9. 9 Graeme J. Hankey Australia 316k citations
  10. 10 Gordon Henry Guyatt Canada 315k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Vitamin K Research Studies?

The most cited paper in Vitamin K Research Studies is "Apixaban versus Warfarin in Patients with Atrial Fibrillation" (Christopher B. Granger et al., 2011), with 9,001 citations. Next come "Edoxaban versus Warfarin in Patients with Atrial Fibrillation" (5,195) and "An insertion/deletion polymorphism in the angiotensin I-converting enzyme gene accounting for half the variance of serum enzyme levels." (3,820).

Most cited papers
#PaperReleasedCitations
1 Apixaban versus Warfarin in Patients with Atrial Fibrillation Christopher B. Granger et al. · New England Journal of Medicine Open access 28 Aug 2011 9,001
2 Edoxaban versus Warfarin in Patients with Atrial Fibrillation Robert Patrick Giugliano et al. · New England Journal of Medicine Open access 19 Nov 2013 5,195
3 An insertion/deletion polymorphism in the angiotensin I-converting enzyme gene accounting for half the variance of serum enzyme levels. Brigitte A. Rigat, Catherine Hubert, F Alhenc‐Gelas et al. · Journal of Clinical Investigation Open access Oct 1990 3,820
4 A Quantitative Assessment of Plasma Homocysteine as a Risk Factor for Vascular Disease Carol J. Boushey · JAMA 4 Oct 1995 3,609
5 Release of reactive nitrogen intermediates and reactive oxygen intermediates from mouse peritoneal macrophages. Comparison of activating cytokines and evidence for independent production. Aihao H. Ding, Carl Nathan, Dennis J. Stuehr · The Journal of Immunology Oct 1988 2,847
All 100 most cited papers, with filters and sorting

Where is Vitamin K Research Studies research done?

The largest centres of Vitamin K Research Studies research in 2022-now are Beijing (China), Tokyo (Japan), Shanghai (China) and Guangzhou (China).

Largest cities, 2022-now

  1. 1 BeijingChina 36 works
  2. 2 TokyoJapan 25 works
  3. 3 ShanghaiChina 23 works
  4. 4 GuangzhouChina 22 works
  5. 5 New YorkUnited States 18 works
  6. 6 LondonUnited Kingdom 18 works
  7. 7 HangzhouChina 16 works
  8. 8 BostonUnited States 16 works
  9. 9 ParisFrance 16 works
  10. 10 SeoulSouth Korea 16 works
See Vitamin K Research Studies on the map

Where is the best place to study Vitamin K Research Studies?

Among universities, judged by research, Harvard University and Sichuan University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 91.214.6%2.6×13 -15.2%
2Sichuan UniversityChina 10.011.4%2.4×9 +230.3%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Vitamin K Research Studies, country by country

Is Vitamin K Research Studies research growing?

Output in 2022-2025 was 2% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Vitamin K Research Studies.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Vitamin K Research Studies as a percentage of every work published that year, 0.0073% in 2024.

still counting0.020%0.040%0.060%Vitamin K Research Studies0.0081% in 202519801990200020102020

Fractional works of Vitamin K Research Studies over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Vitamin K Research Studies10.2% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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