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William B. Grant

Active 1997–2025

116
Papers
19,047
Citations
76
h-index
110
i10-index

Citations

Citations per year for William B. Grant1969: 1 citations1998: 2 citations1999: 2 citations2000: 6 citations2001: 8 citations2002: 12 citations2003: 30 citations2004: 35 citations2005: 73 citations2006: 98 citations2007: 113 citations2008: 151 citations2009: 214 citations2010: 181 citations2011: 162 citations2012: 141 citations2013: 145 citations2014: 142 citations2015: 69 citations2016: 144 citations2017: 130 citations2018: 100 citations2019: 371 citations2020: 904 citations2021: 723 citations2022: 491 citations2023: 286 citations2024: 449 citations2025: 262 citations2026: 5 citations1970–1997: no citations, so these years are not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 1,222 citing papers, 20.3% of this breakdownItaly: 367 citing papers, 6.1% of this breakdownUnited Kingdom: 358 citing papers, 5.9% of this breakdownChina: 341 citing papers, 5.7% of this breakdownCanada: 211 citing papers, 3.5% of this breakdownGermany: 202 citing papers, 3.4% of this breakdownSpain: 192 citing papers, 3.2% of this breakdownIndia: 187 citing papers, 3.1% of this breakdownPoland: 187 citing papers, 3.1% of this breakdownAustralia: 158 citing papers, 2.6% of this breakdownIran: 147 citing papers, 2.4% of this breakdownFrance: 146 citing papers, 2.4% of this breakdown
0%20.3%Other 38.3%

Institutions

Fields

  • Medicine78.9%
  • Biochemistry, Genetics and Molecular Biology5.2%
  • Nursing5.1%
  • Neuroscience2.3%
  • Environmental Science2.1%
  • Immunology and Microbiology1.1%
  • Other5.3%

Topics

  • Vitamin D Research Studies19.7%
  • Vitamin C and Antioxidants Research9.2%
  • COVID-19 Clinical Research Studies4.3%
  • Bone health and osteoporosis research2.9%
  • Nutritional Studies and Diet2.7%
  • Diet and metabolism studies1.4%
  • Other59.8%

Coauthors

All papers

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  1. Guidelines for Preventing and Treating Vitamin D Deficiency: A 2023 Update in Poland

    Authors: Paweł Płudowski, Beata Kos‐Kudła, Mieczysław Walczak, Andrzej Fal, Dorota Zozulińska‐Ziółkiewicz, Piotr Sieroszewski, Jarosław Peregud‐Pogorzelski, Ryszard Lauterbach, Tomasz Targowski, Andrzej Lewiñski, Robert Spaczyński, Mirosław Wielgoś, Jarosław Pinkas, Teresa Jackowska, Ewa Helwich, Artur Mazur, Marek Ruchała, Arkadiusz Zygmunt, Mieczysław Szalecki, Artur Bossowski, Justyna Czech‐Kowalska, Marek Wójcik, Beata Pyrżak, Michał A. Żmijewski, Paweł Abramowicz, Jerzy Konstantynowicz, Ewa Marcinowska-Suchowierska, Andrius Bleizgys, Spyridon Ν. Karras, William B. Grant, Carsten Carlberg, Stefan Pilz, Michael F. Holick, Waldemar Misiorowski - Nutrients 2023 cited by 272

  2. Vitamin D and Cancer: An Historical Overview of the Epidemiology and Mechanisms

    Authors: Alberto Múñoz, William B. Grant - Nutrients 2022 cited by 230

  3. Vitamin D supplementation guidelines

    Authors: Paweł Płudowski, Michael F. Holick, William B. Grant, Jerzy Konstantynowicz, Mário Rui Mascarenhas, Afrozul Haq, Vladyslav Povoroznyuk, Nataliya Balatska, Ana Paula Barbosa, Т. Л. Каронова, Ema Rudenka, Waldemar Misiorowski, И. Н. Захарова, Alena Rudenka, Jacek Łukaszkiewicz, Ewa Marcinowska-Suchowierska, Natalia Łaszcz, Paweł Abramowicz, Harjit Pal Bhattoa, Sunil J. Wimalawansa - The Journal of Steroid Biochemistry and Molecular Biology 2017 cited by 712

  4. Vitamin D and intestinal homeostasis: Barrier, microbiota, and immune modulation

    Authors: Hana Fakhoury, Peter R. Kvietys, Wael Al-Kattan, Fatme Al Anouti, Muhammad Affan Elahi, Spyridon Ν. Karras, William B. Grant - The Journal of Steroid Biochemistry and Molecular Biology 2020 cited by 204

  5. Evidence That Vitamin D Supplementation Could Reduce Risk of Influenza and COVID-19 Infections and Deaths

    Authors: William B. Grant, Henry Lahore, Sharon L. McDonnell, Carole A. Baggerly, Christine French, Jennifer L. Aliano, Harjit Pal Bhattoa - Nutrients 2020 cited by 1,996

  6. Diet’s Role in Modifying Risk of Alzheimer’s Disease: History and Present Understanding

    Authors: William B. Grant, Steven M. Blake - Journal of Alzheimer s Disease 2023 cited by 67

  7. Rationale and Plan for Vitamin D Food Fortification: A Review and Guidance Paper

    Authors: Stefan Pilz, Winfried März, Kevin D. Cashman, Máiréad Kiely, Susan J. Whiting, Michael F. Holick, William B. Grant, Paweł Płudowski, Mickaël Hiligsmann, Christian Trummer, Verena Theiler‐Schwetz, Elisabeth Lerchbaum, Marlene Pandis, Andreas Tomaschitz, Martin Grübler, Martin Gaksch, Nicolas Verheyen, Bruce W. Hollis, Lars Rejnmark, Spyridon Ν. Karras, Andreas Hahn, Heike A. Bischoff‐Ferrari, Jörg Reichrath, Rolf Jorde, Ibrahim Elmadfa, Reinhold Vieth, Robert Scragg, Mona S. Calvo, Natasja M. van Schoor, Roger Bouillon, Paul Lips, Suvi T. Itkonen, Adrian R. Martineau, Christel Lamberg‐Allardt, Armin Zittermann - Frontiers in Endocrinology 2018 cited by 356

  8. Does the High Prevalence of Vitamin D Deficiency in African Americans Contribute to Health Disparities?

    Authors: Bruce N. Ames, William B. Grant, Walter C. Willett - Nutrients 2021 cited by 134

  9. Vitamin D effects on musculoskeletal health, immunity, autoimmunity, cardiovascular disease, cancer, fertility, pregnancy, dementia and mortality—A review of recent evidence

    Authors: Paweł Płudowski, Michael F. Holick, Stefan Pilz, Carol L. Wagner, Bruce W. Hollis, William B. Grant, Yehuda Shoenfeld, Elisabeth Lerchbaum, David J. Llewellyn, Katharina Kienreich, Maya Soni - Autoimmunity Reviews 2013 cited by 828

  10. Vitamin D Supplementation: A Review of the Evidence Arguing for a Daily Dose of 2000 International Units (50 µg) of Vitamin D for Adults in the General Population

    Authors: Paweł Płudowski, William B. Grant, Spyridon Ν. Karras, Armin Zittermann, Stefan Pilz - Nutrients 2024 cited by 59

  11. Practical guidelines for the supplementation of vitamin D and the treatment of deficits in Central Europe — recommended vitamin D intakes in the general population and groups at risk of vitamin D deficiency

    Authors: Paweł Płudowski, Elżbieta Karczmarewicz, Milan Bayer, Graham Carter, Danuta Chlebna‐Sokół, Justyna Czech‐Kowalska, Romuald Dębski, Tamás Decsi, Anna Dobrzańska, Edward Franek, Piotr Głuszko, William B. Grant, Michael F. Holick, L. V. Yankovskaya, Jerzy Konstantynowicz, Janusz Książyk, Krystyna Księżopolska-Orłowska, Andrzej Lewiñski, Mieczysław Litwin, Szimonetta Lohner, R Lorenc, Jacek Łukaszkiewicz, Ewa Marcinowska-Suchowierska, Andrzej Milewicz, Waldemar Misiorowski, Michał Nowicki, Vladyslav Povoroznyuk, Piotr Rozentryt, Ema Rudenka, Yehuda Shoenfeld, Piotr Socha, Bogdan Solnica, Mieczysław Szalecki, Marek Tałałaj, Szabolcs Várbı́ró, Michał A. Żmijewski - Endokrynologia Polska 2013 cited by 521

  12. Why vitamin D clinical trials should be based on 25-hydroxyvitamin D concentrations

    Authors: William B. Grant, Barbara J. Boucher, Harjit Pal Bhattoa, Henry Lahore - The Journal of Steroid Biochemistry and Molecular Biology 2017 cited by 115

  13. Vitamin D: Evidence-Based Health Benefits and Recommendations for Population Guidelines

    Authors: William B. Grant, Sunil J. Wimalawansa, Paweł Płudowski, Richard Z. Cheng - Nutrients 2025 cited by 108

  14. Vitamin D: A Role Also in Long COVID-19?

    Authors: Luigi Barrea, Ludovica Verde, William B. Grant, Evelyn Frías-Toral, Gerardo Sarno, Claudia Vetrani, Florencia Ceriani, Eloisa Garcia-Velasquez, José Contreras-Briceño, Silvia Savastano, Annamaria Colao, Giovanna Muscogiuri - Nutrients 2022 cited by 83

  15. Vitamin D and pancreas: The role of sunshine vitamin in the pathogenesis of diabetes mellitus and pancreatic cancer

    Authors: Barbara Altieri, William B. Grant, Silvia Della Casa, Francesco Orio, Alfredo Pontecorvi, Annamaria Colao, Gerardo Sarno, Giovanna Muscogiuri - Critical Reviews in Food Science and Nutrition 2016 cited by 112

  16. Comparing the Evidence from Observational Studies and Randomized Controlled Trials for Nonskeletal Health Effects of Vitamin D

    Authors: William B. Grant, Barbara J. Boucher, Fatme Al Anouti, Stefan Pilz - Nutrients 2022 cited by 75

  17. A Narrative Review of the Evidence for Variations in Serum 25-Hydroxyvitamin D Concentration Thresholds for Optimal Health

    Authors: William B. Grant, Fatme Al Anouti, Barbara J. Boucher, Erdinç Dursun, Duygu Gezen‐Ak, Edward B. Jude, Т. Л. Каронова, Paweł Płudowski - Nutrients 2022 cited by 70

  18. Evidence Regarding Vitamin D and Risk of COVID-19 and Its Severity

    Authors: Joseph Mercola, William B. Grant, Carol L. Wagner - Nutrients 2020 cited by 281

  19. Dietary Recommendations for Post-COVID-19 Syndrome

    Authors: Luigi Barrea, William B. Grant, Evelyn Frías-Toral, Claudia Vetrani, Ludovica Verde, Giulia de Alteriis, Annamaria Docimo, Silvia Savastano, Annamaria Colao, Giovanna Muscogiuri - Nutrients 2022 cited by 84

  20. Antimicrobial implications of vitamin D

    Authors: Dima Youssef, Christopher W. T. Miller, A.M. Elabbassi, Della C. Cutchins, Coleman Cutchins, William B. Grant, Alan N. Peiris - Dermato-Endocrinology 2011 cited by 210

  21. Immunomodulatory Properties of Vitamin D in the Intestinal and Respiratory Systems

    Authors: Fatheia N. Hamza, Sarah Daher, Hana Fakhoury, William B. Grant, Peter R. Kvietys, Khaled Alkattan - Nutrients 2023 cited by 46

  22. Effect of Cholecalciferol Supplementation on the Clinical Features and Inflammatory Markers in Hospitalized COVID-19 Patients: A Randomized, Open-Label, Single-Center Study

    Authors: Т. Л. Каронова, Ksenia A. Golovatyuk, I. V. Kudryavtsev, A. Т. Chernikova, Arina A. Mikhaylova, Arthur Aquino, D. I. Lagutina, Ekaterina Zaikova, Olga Kalinina, А. С. Головкин, William B. Grant, Е. V. Shlyakhto - Nutrients 2022 cited by 37

  23. Vitamin D deficiency and mortality risk in the general population: a meta-analysis of prospective cohort studies

    Authors: Armin Zittermann, Simona Iodice, Stefan Pilz, William B. Grant, Vincenzo Bagnardi, Sara Gandini - American Journal of Clinical Nutrition 2011 cited by 384

  24. Vitamin D and inflammation

    Authors: John J. Cannell, William B. Grant, Michael F. Holick - Dermato-Endocrinology 2014 cited by 221