Finnish Vitamin D Study (FIND)
Leaders
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Tomi-Pekka Tuomainen
ProfessorInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences -
Sari Hantunen
Senior University LecturerInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences -
Jyrki Virtanen
Research DirectorInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences
Finnish Vitamin D Trial (FIND) conducted at the University of Eastern Finland in 2012–2018. In the FIND trial, 2,495 participants (men 60 years or older and women 65 years or older) were randomised for five years to either the placebo group or the groups that received either 40 or 80 micrograms (1600 or 3200 IU) of vitamin D3 per day. All participants were free of cardiovascular disease and cancer at the start of the trial and were allowed to use their own vitamin D supplement of up to 20 micrograms (800 IU) per day (the recommended intake for this age group at the time when the trial was started). At the beginning and during the trial, research forms were used to collect comprehensive information from the subjects on lifestyle, nutrition, risk factors for and the incidence of diseases. Information on the incidence of diseases and on deaths was also obtained from national health registers.
Approximately one fifth of the randomly selected subjects underwent more detailed examinations and provided blood samples.
News
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Taking high-dose vitamin D supplements for five years did not affect the incidence of type 2 diabetesTaking high-dose vitamin D supplements for five years did not affect the incidence of type 2 diabetes
Using significantly higher doses of vitamin D than recommended for five years did not affect the incidence of type 2 diabetes in elderly men and… -
Taking higher-than-recommended doses of vitamin D for five years reduced the risk of atrial fibrillationTaking higher-than-recommended doses of vitamin D for five years reduced the risk of atrial fibrillation
Taking higher-than-recommended doses of vitamin D for five years reduced the risk of atrial fibrillation in older men and women, according to a new… -
Efficacy of vitamin D3 supplementation on cancer mortality: Systematic review and individual patient data meta-analysis of randomised controlled trialsEfficacy of vitamin D3 supplementation on cancer mortality: Systematic review and individual patient data meta-analysis of randomised controlled trials
o evaluate the effect of vitamin D3 supplementation on cancer mortality in the general population and on prognosis in cancer patients, a systematic… -
Taking high-dose vitamin D supplements for five years did not affect the incidence of cardiovascular disease or cancerTaking high-dose vitamin D supplements for five years did not affect the incidence of cardiovascular disease or cancer
A trial by the University of Eastern Finland found that taking a much higher dose of vitamin D than recommended for five years did not affect total…
Keywords
Leaders
-
Tomi-Pekka Tuomainen
ProfessorInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences -
Sari Hantunen
Senior University LecturerInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences -
Jyrki Virtanen
Research DirectorInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences
Researchers, UEF
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Ari Voutilainen
University LecturerInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences -
Matti Uusitupa
Professor, EmeritusInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences -
Heikki Kröger
ProfessorInstitute of Clinical Medicine, School of Medicine, Faculty of Health Sciences -
Toni Rikkonen
Research DirectorInstitute of Clinical Medicine, School of Medicine, Faculty of Health Sciences -
Tommi Tolmunen
ProfessorInstitute of Clinical Medicine, School of Medicine, Faculty of Health Sciences -
Noora-Maria Ahl
Project ResearcherInstitute of Clinical Medicine, School of Medicine, Faculty of Health Sciences -
Pekka Mäntyselkä
ProfessorInstitute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences
Other group members
Publications
22 items-
Association of coffee intake with body composition in an older adult study population in Finland
Strolenberg, Eva C; Rikkonen, Toni; Olthof, Margreet R; Wijnhoven, Hanneke AH; Kröger, Heikki; Hantunen, Sari; Tuomainen, Tomi-Pekka; Virtanen, Jyrki K, 2026, International journal of food sciences and nutrition, 77, 5, 451-461. A1 Journal article (refereed), original research -
Reply to JK DiStefano and GS Gerhard
Saarinen, Ronja H.; Virtanen, Heli E.K.; Hantunen, Sari; Salonen, Jukka T.; Tuomainen, Tomi Pekka; Virtanen, Jyrki K., 2026, Journal of nutrition, 156, 5, 101439. B1 Non-refereed journal articles -
Reply to: High-Dose Vitamin D Supplementation for Fall Prevention: Clinical Nuances and Safety Considerations
Rikkonen, Toni; Hantunen, Sari; Kroger, Heikki; Lamberg-Allardt, Christel; Manson, JoAnn E.; Nurmi, Tarja; Tuppurainen, Marjo; Voutilainen, Ari; Tuomainen, Tomi-Pekka; Virtanen, Jyrki K., 2026, Journal of the american geriatrics society, [Epub ahead of print 4 July 2026], 1-2. B1 Non-refereed journal articles -
The Effect of Vitamin D3 Supplementation on the Risk of Falls in a General Population — The Finnish Vitamin D Trial
Rikkonen, Toni; Hantunen, Sari; Kröger, Heikki; Lamberg‐Allardt, Christel; Manson, JoAnn E; Nurmi, Tarja; Tuppurainen, Marjo; Voutilainen, Ari; Tuomainen, Tomi‐Pekka; Virtanen, Jyrki K, 2026, Journal of the american geriatrics society, 74, 6, 1548-1557. A1 Journal article (refereed), original research -
The effect of vitamin D3 supplementation on fracture incidence in an aging population — The Finnish vitamin D trial
Rikkonen, Toni; Hantunen, Sari; Kröger, Heikki; Lamberg-Allardt, Christel; Manson, JoAnn E; Nurmi, Tarja; Tuppurainen, Marjo; Voutilainen, Ari; Tuomainen, Tomi-Pekka; Virtanen, Jyrki K, 2026, Bone, 213, 118081. A1 Journal article (refereed), original research -
Vitamin D supplementation and incidence of major depressive disorder – A randomized clinical trial
Ahl, Noora-Maria; Hantunen, Sari; Tuomainen, Tomi-Pekka; Lamberg-Allardt, Christel; Manson, JoAnn E; Nurmi, Tarja; Uusitupa, Matti; Voutilainen, Ari; Tolmunen, Tommi; Virtanen, Jyrki K, 2026, Clinical nutrition, 57, 106570. A1 Journal article (refereed), original research -
Consensus statement on vitamin D role in metabolic health
Giustina, Andrea; di Filippo, Luigi; Aleksova, Aneta; Bollerslev, Jens; Colao, Anna Maria; Dawson-Hughes, Bess; Donini, Lorenzo M; Ebeling, Peter R; Lazaretti-Castro, Marise; Lorusso, Roberto; Luzi, Livio; Marcocci, Claudio; Minisola, Salvatore; Napoli, Nicola; Pittas, Anastassios G.; Rizzoli, René; Querini, Patrizia Rovere; Santini, Ferruccio; Schafer, Anne L; Virtanen, Jyrki K; Bilezikian, John P, 2025, Metabolism: clinical and experimental, 176, 156484. A1 Journal article (refereed), original research -
The effect of vitamin D3 supplementation on the incidence of diagnosed dementia among healthy older adults – the Finnish Vitamin D Trial
Lönnroos, Eija; Ylilauri, Maija; Lamberg-Allardt, Christel; Manson, Jo Ann E; Nurmi, Tarja; Uusitupa, Matti; Voutilainen, Ari; Hantunen, Sari; Tuomainen, Tomi-Pekka; Virtanen, Jyrki K, 2025, Journals of gerontology series a: biological sciences and medical sciences, 80, 7, glaf077. A1 Journal article (refereed), original research -
Consensus Statement on Vitamin D Status Assessment and Supplementation: Whys, Whens, and Hows
Giustina, Andrea; Bilezikian, John P; Adler, Robert A; Banfi, Giuseppe; Bikle, Daniel D; Binkley, Neil C; Bollerslev, Jens; Bouillon, Roger; Brandi, Maria Luisa; Casanueva, Felipe F; di Filippo, Luigi; Donini, Lorenzo M; Ebeling, Peter R; Fuleihan, Ghada El-Hajj; Fassio, Angelo; Frara, Stefano; Jones, Glenville; Marcocci, Claudio; Martineau, Adrian R; Minisola, Salvatore; Napoli, Nicola; Procopio, Massimo; Rizzoli, Rene; Schafer, Anne L; Sempos, Christopher T; Ulivieri, Fabio Massimo; Virtanen,, 2024, Endocrine reviews, 45, 5, 624-654. A2 Review article, Literature review, Systematic review -
In vivo vitamin D targets reveal the upregulation of focal adhesion-related genes in primary immune cells of healthy individuals
Ghosh Dastidar, Ranjini; Jaroslawska, Julia; Malinen, Marjo; Tuomainen, Tomi Pekka; Virtanen, Jyrki K; Bendik, Igor; Carlberg, Carsten, 2024, Scientific reports, 14, 1, 17552. A1 Journal article (refereed), original research