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Topic · Pathology and Forensic Medicine

Vitamin D Research Studies

Vitamin D Research Studies is a research topic within Pathology and Forensic Medicine. Science Explorer counts 36k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the evaluation, treatment, and prevention of vitamin D deficiency, as well as its impact on various health outcomes such as bone health, cancer, cardiovascular disease, and the immune system. The papers also cover topics like supplementation, epidemiology, genetic determinants, and the role of vitamin D in specific conditions like diabetes and multiple sclerosis.

  • Vitamin D
  • Deficiency
  • Supplementation
  • Health
  • Bone
  • Cancer
  • Cardiovascular Disease
  • Immune System
  • Meta-analysis
  • Clinical Practice Guideline
Research works
36k
fractional, since 1950
In the world top 10%
3.6k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-2%
the tick is no change
Largest producer
China
27% of the 10 largest, 2022-now
Vitamin D Research Studies

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

Which countries lead Vitamin D Research Studies research?

By volume, China and the United States publish the most (1.2k and 931 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.2k works
  2. 2 United States 931 works
  3. 3 India 544 works
  4. 4 Türkiye 283 works
  5. 5 Iran 272 works
  6. 6 United Kingdom 269 works
  7. 7 Italy 251 works
  8. 8 Brazil 238 works
  9. 9 Indonesia 200 works
  10. 10 Poland 189 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: 27.1%United States: 21.4%India: 12.5%Türkiye: 6.5%6 others listed: 32.6%27%largest
China1,181 · 27.1%United States931 · 21.4%India544 · 12.5%Türkiye283 · 6.5%6 others listed1,419 · 32.6%

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

Which institutions lead Vitamin D Research Studies research?

By volume in 2022-now, Harvard University publishes the most Vitamin D Research Studies research, followed by All India Institute of Medical Sciences and Shanghai Jiao Tong University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 45 works
  2. 2 All India Institute of Medical SciencesIndia 33 works
  3. 3 Shanghai Jiao Tong UniversityChina 30 works
  4. 4 Nanjing Medical UniversityChina 29 works
  5. 5 Sichuan UniversityChina 27 works
  6. 6 Ain Shams UniversityEgypt 26 works
  7. 7 Capital Medical UniversityChina 25 works
  8. 8 Sağlık Bilimleri ÜniversitesiTürkiye 25 works
  9. 9 Tehran University of Medical SciencesIran 25 works
  10. 10 University of BaghdadIraq 25 works

Who are the leading researchers in Vitamin D Research Studies?

The most-cited researchers publishing on Vitamin D Research Studies include Rob Knight, George Davey Smith and Ali H. Mokdad.

  1. 1 Rob Knight United States 468k citations
  2. 2 George Davey Smith United Kingdom 435k citations
  3. 3 Ali H. Mokdad United States 429k citations
  4. 4 Walter Churchill Willett United States 411k citations
  5. 5 Zulfiqar Ahmed Bhutta Pakistan 371k 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 Jun Wang China 340k citations
  10. 10 Giuseppe Remuzzi Italy 328k 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 D Research Studies?

The most cited paper in Vitamin D Research Studies is "Vitamin D Deficiency" (Michael F. Holick, 2007), with 13,754 citations. Next come "Evaluation, Treatment, and Prevention of Vitamin D Deficiency: an Endocrine Society Clinical Practice Guideline" (10,622) and "Definition and classification of cancer cachexia: an international consensus" (5,828).

Most cited papers
#PaperReleasedCitations
1 Vitamin D Deficiency Michael F. Holick · New England Journal of Medicine 18 Jul 2007 13,754
2 Evaluation, Treatment, and Prevention of Vitamin D Deficiency: an Endocrine Society Clinical Practice Guideline Michael F. Holick, Neil Binkley, Heike Annette Bischoff-Ferrari et al. · The Journal of Clinical Endocrinology & Metabolism Open access 7 Jun 2011 10,622
3 Definition and classification of cancer cachexia: an international consensus Kenneth Fearon, Florian Strasser, Stefan D. Anker et al. · The Lancet Oncology 5 Feb 2011 5,828
4 The 2011 Report on Dietary Reference Intakes for Calcium and Vitamin D from the Institute of Medicine: What Clinicians Need to Know A. Catharine Ross, JoAnn E. Manson, Steven A. Abrams et al. · The Journal of Clinical Endocrinology & Metabolism Open access 30 Nov 2010 4,078
5 Toll-Like Receptor Triggering of a Vitamin D-Mediated Human Antimicrobial Response Philip T. Liu et al. · Science 23 Feb 2006 3,966
All 99 most cited papers, with filters and sorting

Where is Vitamin D Research Studies research done?

The largest centres of Vitamin D Research Studies research in 2022-now are Beijing (China), Tehran (Iran), Shanghai (China) and Istanbul (Türkiye).

Largest cities, 2022-now

  1. 1 BeijingChina 140 works
  2. 2 TehranIran 87 works
  3. 3 ShanghaiChina 75 works
  4. 4 IstanbulTürkiye 73 works
  5. 5 LondonUnited Kingdom 72 works
  6. 6 MoscowRussia 69 works
  7. 7 SeoulSouth Korea 68 works
  8. 8 BaghdadIraq 67 works
  9. 9 GuangzhouChina 61 works
  10. 10 DhakaBangladesh 60 works
See Vitamin D Research Studies on the map

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

Among universities, judged by research, Harvard University, Central South 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.

0%20%40%mean 22.7%fractional works in this field (log) →share of work in the world top 10% →Huazhong University …Central South Univer…Sichuan UniversityHarvard University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

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 70.019.0%2.2×45 -36.1%
2Central South UniversityChina 67.425.3%2.0×25 +62.0%
3Sichuan UniversityChina 65.424.3%1.8×27 +48.3%
4Huazhong University of Science and TechnologyChina 65.232.4%1.3×16 +26.8%
5University of CopenhagenDenmark 59.725.7%3.2×20 -27.5%
6Capital Medical UniversityChina 58.316.8%3.6×25 +44.4%
7Peking UniversityChina 57.418.6%1.6×22 +43.6%
8Nanjing Medical UniversityChina 55.216.2%4.9×29 +2.5%
9Sun Yat-sen UniversityChina 54.616.2%1.6×22 +73.7%
10China Medical UniversityChina 54.032.5%5.4×15 -26.8%

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 D Research Studies, country by country

Is Vitamin D Research Studies research growing?

Output in 2022-2025 was 2% lower than in 2018-2021, peaking in 2020.

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 D Research Studies as a percentage of every work published that year, 0.030% in 2024.

still counting0.020%0.040%0.060%Vitamin D Research Studies0.030% in 202519801990200020102020

Fractional works of Vitamin D 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 D Research Studies10.4% 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.

Questions people ask

How much research is there on vitamin D, and is it growing?

Output in 2022-2025 was 2% lower than in 2018-2021, peaking in 2020.

Is Vitamin D Research Studies research growing?
All 1,273 questions in the Question Catalogue

Discussion

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