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Topic · Nutrition and Dietetics

Vitamin C and Antioxidants Research

Vitamin C and Antioxidants Research is a research topic within Nutrition and Dietetics. Science Explorer counts 27k 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 diverse roles of Vitamin C, also known as ascorbic acid, in health and disease. It covers topics such as its antioxidant properties, its potential in cancer treatment, its impact on immune function, its use in sepsis management, pharmacokinetics for oral and intravenous administration, neuroprotective effects, and its potential role in COVID-19 treatment.

  • Vitamin C
  • Antioxidant
  • Ascorbic Acid
  • Cancer
  • Immune Function
  • Sepsis
  • Pharmacokinetics
  • Neuroprotective
  • Intravenous Use
  • COVID-19
Research works
27k
fractional, since 1950
In the world top 10%
2.7k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+6%
the tick is no change
Largest producer
China
25% of the 10 largest, 2022-now
Vitamin C and Antioxidants Research

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

Which countries lead Vitamin C and Antioxidants Research research?

By volume, China and the United States publish the most (700 and 653 works in 2022-now).

By volume, 2022-now

  1. 1 China 700 works
  2. 2 United States 653 works
  3. 3 India 393 works
  4. 4 Türkiye 182 works
  5. 5 Iran 175 works
  6. 6 Brazil 142 works
  7. 7 Italy 140 works
  8. 8 Japan 134 works
  9. 9 Russia 124 works
  10. 10 United Kingdom 120 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: 25.3%United States: 23.6%India: 14.2%Türkiye: 6.6%6 others listed: 30.2%25%largest
China700 · 25.3%United States653 · 23.6%India393 · 14.2%Türkiye182 · 6.6%6 others listed836 · 30.2%

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

Which institutions lead Vitamin C and Antioxidants Research research?

By volume in 2022-now, Harvard University publishes the most Vitamin C and Antioxidants Research research, followed by Russian Academy of Sciences and Sichuan University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 25 works
  2. 2 Russian Academy of SciencesRussia 24 works
  3. 3 Sichuan UniversityChina 18 works
  4. 4 Islamic Azad University, TehranIran 17 works
  5. 5 All India Institute of Medical SciencesIndia 16 works
  6. 6 Tehran University of Medical SciencesIran 16 works
  7. 7 Central South UniversityChina 15 works
  8. 8 Zhejiang UniversityChina 14 works
  9. 9 University of IowaUnited States 14 works
  10. 10 Sun Yat-sen UniversityChina 12 works

Who are the leading researchers in Vitamin C and Antioxidants Research?

The most-cited researchers publishing on Vitamin C and Antioxidants Research 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 Guido Kroemer France 386k citations
  5. 5 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  6. 6 John J.V. McMurray United Kingdom 349k citations
  7. 7 Hermann Brenner Germany 343k citations
  8. 8 Cyrus Cooper United Kingdom 342k citations
  9. 9 Emelia J. Benjamin United States 341k citations
  10. 10 Jun Wang China 340k 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 C and Antioxidants Research?

The most cited paper in Vitamin C and Antioxidants Research is "Free radicals in biology and medicine" (J. M. C. Gutteridge, 1991), with 17,218 citations. Next come "Vitamin D Deficiency" (13,754) and "Oxidants, antioxidants, and the degenerative diseases of aging." (5,991).

Most cited papers
#PaperReleasedCitations
1 Free radicals in biology and medicine J. M. C. Gutteridge · General Pharmacology The Vascular System 1991 17,218
2 Vitamin D Deficiency Michael F. Holick · New England Journal of Medicine 18 Jul 2007 13,754
3 Oxidants, antioxidants, and the degenerative diseases of aging. B N Ames, Mark K. Shigenaga, Tory M. Hagen · Proceedings of the National Academy of Sciences Open access Sep 1993 5,991
4 Oxygen-Derived Free Radicals in Postischemic Tissue Injury Franklin H. Epstein, Joe M. McCord · New England Journal of Medicine 17 Jan 1985 5,459
5 Induction of the Vitamin D Receptor Attenuates Autophagy Dysfunction-Mediated Cell Death Following Traumatic Brain Injury. Changmeng Cui, Jianzhong Cui, Feng Jin et al. · PubMed 2017 5,190
All 100 most cited papers, with filters and sorting

Where is Vitamin C and Antioxidants Research research done?

The largest centres of Vitamin C and Antioxidants Research research in 2022-now are Beijing (China), Tehran (Iran), Moscow (Russia) and Guangzhou (China).

Largest cities, 2022-now

  1. 1 BeijingChina 85 works
  2. 2 TehranIran 62 works
  3. 3 MoscowRussia 50 works
  4. 4 GuangzhouChina 45 works
  5. 5 SeoulSouth Korea 41 works
  6. 6 IstanbulTürkiye 39 works
  7. 7 TokyoJapan 37 works
  8. 8 New DelhiIndia 36 works
  9. 9 ShanghaiChina 35 works
  10. 10 CairoEgypt 32 works
See Vitamin C and Antioxidants Research on the map

Where is the best place to study Vitamin C and Antioxidants Research?

Among universities, judged by research, Medical University of Lodz, Harvard University and Central South University score highest, combining citation 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 20.95%fractional works in this field (log) →share of work in the world top 10% →Medical University o…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.

Citation 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
1Medical University of LodzPoland 64.240.9%15.1×10 +12.2%
2Harvard UniversityUnited States 61.613.0%1.9×25 -16.8%
3Central South UniversityChina 60.226.3%1.9×15 +143.8%
4Sichuan UniversityChina 52.616.2%2.0×18 +139.2%
5Zhejiang UniversityChina 50.719.2%1.3×14 +60.5%
6University of IowaUnited States 48.311.1%6.8×14 +10.8%
7Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 46.923.1%2.5×11 +35.8%
8University of OtagoNew Zealand 44.521.3%7.5×9 -30.1%
9Tehran University of Medical SciencesIran 42.18.9%6.7×16 -35.2%
10Zhengzhou UniversityChina 41.929.5%1.7×8 +11.0%

Universities only. The score blends citation 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 C and Antioxidants Research, country by country

Is Vitamin C and Antioxidants Research research growing?

Output in 2022-2025 was 6% higher than in 2018-2021, peaking in 2021. The fastest-growing topics are Vitamin C and Antioxidants Research.

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 C and Antioxidants Research as a percentage of every work published that year, 0.019% in 2024.

still counting0.020%0.040%0.060%Vitamin C and Antioxidants Research0.017% in 202519801990200020102020

Fractional works of Vitamin C and Antioxidants Research 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 C and Antioxidants Research10.2% 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.

Questions people ask

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

Output in 2022-2025 was 6% higher than in 2018-2021, peaking in 2021. The fastest-growing topics are Vitamin C and Antioxidants Research.

Is Vitamin C and Antioxidants Research research growing?
All 1,273 questions in the Question Catalogue

Discussion

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