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. 21.0% 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%
- 7.5k per year above
- Top-10% rate
- 21.0% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +22% the tick is no change
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 (1k and 835 works in 2022–2025).
By volume, 2022–2025
- 1 China 1k works
- 2 United States 835 works
- 3 India 473 works
- 4 Iran 252 works
- 5 Türkiye 252 works
- 6 United Kingdom 246 works
- 7 Italy 230 works
- 8 Brazil 220 works
- 9 Egypt 174 works
- 10 Indonesia 173 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.
Shares of the rows listed above, not of the whole node.
Which institutions lead Vitamin D Research Studies research?
By volume in 2022–2025, Ain Shams University publishes the most Vitamin D Research Studies research, followed by University of Baghdad and Sağlık Bilimleri Üniversitesi.
By volume, 2022–2025
- 1 Ain Shams UniversityEgypt 25 works
- 2 University of BaghdadIraq 23 works
- 3 Sağlık Bilimleri ÜniversitesiTürkiye 23 works
- 4 All India Institute of Medical SciencesIndia 19 works
- 5 Institute of Medical SciencesIndia 18 works
- 6 Harvard UniversityUnited States 18 works
- 7 Tehran University of Medical SciencesIran 17 works
- 8 Zagazig UniversityEgypt 16 works
- 9 Shahid Beheshti University of Medical SciencesIran 16 works
- 10 Post Graduate Institute of Medical Education and ResearchIndia 15 works
Who are the leading researchers in Vitamin D Research Studies?
The most-cited researchers publishing on Vitamin D Research Studies include Cyrus Cooper, Mostafa Qorbani and Hermann Brenner.
- 1 Cyrus Cooper United Kingdom 7.2k citations
- 2 Mostafa Qorbani Iran 5.9k citations
- 3 Hermann Brenner Germany 5.8k citations
- 4 John J. McGrath Australia 5.3k citations
- 5 Luigi Ferrucci United States 5.3k citations
- 6 Winfried März Germany 5.2k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Vitamin D Research Studies research done?
The largest centres of Vitamin D Research Studies research in 2022–2025 are Beijing (China), Tehran (Iran), Istanbul (Türkiye) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Karachi.
Largest cities, 2022–2025
Where it is the local speciality
- KarachiPK · 47.7 works5.8×
Location quotient: how much more of its research is in Vitamin D Research Studies than the world average.
Where is the best place to study Vitamin D Research Studies?
Among universities, judged by research, Tabriz University of Medical Sciences, Medical University of Lodz and Medical University of Silesia 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.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | Tabriz University of Medical SciencesIran | 62.1 | 22.4% | 8.8× | 13 | +290.1% |
| 2 | Medical University of LodzPoland | 58.3 | 32.2% | 10.2× | 10 | +77.7% |
| 3 | Medical University of SilesiaPoland | 56.8 | 13.6% | 12.1× | 14 | +140.9% |
| 4 | Institute of Medical SciencesIndia | 54.8 | 3.5% | 8.7× | 18 | +1050.7% |
| 5 | University of SharjahUnited Arab Emirates | 53.5 | 29.0% | 6.2× | 11 | — |
| 6 | Iuliu Hațieganu University of Medicine and PharmacyRomania | 53.3 | 32.4% | 12.7× | 8 | — |
| 7 | Shiraz University of Medical SciencesIran | 53.1 | 16.6% | 8.0× | 14 | +144.1% |
| 8 | Dhaka Medical College and HospitalBangladesh | 52.3 | 1.0% | 21.4× | 12 | +235.2% |
| 9 | Tehran University of Medical SciencesIran | 51.5 | 17.8% | 5.6× | 17 | +133.1% |
| 10 | Nanjing Medical UniversityChina | 50.3 | 28.1% | 4.5× | 15 | +134.1% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Vitamin D Research Studies research growing?
Output in 2018–2022 was 22% higher than in 2013–2017, peaking in 2020. The fastest-growing topics are Vitamin D Research Studies.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
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.