info@bewusst-leben.org     

Offener Brief Immunisierung

Wir möchten für Euch einen offenen Brief von 120 Ärzten und Professoren veröffentlichen die aktuell in einem Aufruf die sofortige Supplementierung von Vitamin D für Hochrisikogruppen verlangen.

Mehr als 200 Wissenschaftler und Ȁrzte fordern eine erhöhte Vitamin-D-Einnahme zur Bekämpfung von COVID-19

Wissenschaftliche Studien deuten darauf hin, dass Vitamin-D Einnahme Infektionen und Todesfälle reduzieren kann.

An alle Regierungen, Mitarbeiter des öffentlichen Gesundheitswesens, Ȁrzte und Mitarbeiter des Gesundheitswesens, Forschungsergebnisse zeigen, dass ein niedriger Vitamin-D-Spiegel sehr wahrscheinlich zu COVID-19- Infektionen, Krankenhausaufenthalten und Todesfällen beiträgt. Deshalb fordern wir eine sofortige, weit verbreitete und erhöhte Vitamin-D-Einnahme.

Vitamin D beeinflusst tausende Gene und viele Aspekte sowohl der angeborenen als auch der erworbenen Immunfunktion. Wissenschaftliche Erkenntnisse zeigen:

● Höhere Vitamin-D-Werte im Blut sind mit niedrigeren Raten der SARS-CoV-2-Infektion assoziiert.

● Bei höheren Vitamin-D-Werten ist das Risiko eines schweren Krankheitsverlaufes (Krankenhauseinweisung, Intensivstation oder Tod) niedriger.

● Interventionsstudien und randomisierte kontrollierte Studien zeigen, dass Vitamin-D eine sehr wirksame Behandlung sein kann.

● Viele Publikationen zeigen mehrere biologische Mechanismen auf, durch die Vitamin-D COVID-19 beeinflusst.

● Kausales-Inferenz-Modelling, Hill's Kriterien, Interventionsstudien und biologische Mechanismen legen nahe, dass der Einfluss von Vitamin-D auf COVID-19 sehr wahrscheinlich kausal ist und nicht nur auf Korrelation beruht.

Obwohl Vitamin-D bekanntermaßen lebensnotwendig ist, bekommen aber die meisten Menschen nicht genug davon. Nach Angaben der meisten Regierungsorganisationen liegt Defizienz bei <20 ng/ml (50 nmol/L) vor, Insuffizienz nach Angaben mehrerer medizinischer Gesellschaften und Experten bei <30 ng ml (75 nmol/L). Zu viele Leute haben einen Vitamin-D Spiegel unterhalb dieser Werte.

Eine Vitamin-D Defizienz von <20 ng/ml liegt bei mehr als 33% der Bevölkerung in den meisten Teilen der Welt vor und schätzungsweise leiden űber 50% der Weltbevölkerung an einer Insuffizienz von <30 ng/ml. Im Winter sind die Raten noch höher. Mehrere Bevölkerungsgruppen haben einen beträchtlichen Mangel: Übergewichtige, Pflegeheimbewohner und Menschen mit dunkler Haut, besonders wenn sie weit vom Äquator entfernt leben. Dieselben Bevölkerungsgruppen sind auch einem erhöhten COVID-19-Risiko ausgesetzt.

Studien zeigen, daẞ 97,5% der Menschen täglich 3875 IE (97μg) benötigen, um einen Level von 20 ng/ml zu erreichen und sogar 6200 IE (155μg), um 30 ng/ml zu erreichen. Diese Einnahmen liegen weit über allen nationalen Richtlinien. Leider enthält der Bericht, der der empfohlenen US-amerikanischen täglichen Einnahmemenge zugrunde liegt, einen bestätigten statistischen Fehler: Die erforderliche Aufnahmemenge wurde ca. 10 Mal zu niedrig kalkuliert. Zahlreiche Aufrufe in der wissenschaftlichen Literatur, die offiziell empfohlene Einnahmemenge zu erhöhen, waren beim Beginn der SARS-CoV-2-Pandemie noch nicht erfolgreich. Jetzt zeigen viele Publikationen, daẞ Vitamin- D stärker auf COVID-19 wirken könnte als auf andere Infektionen: Erhöhtes COVID-19 Risiko liegt vor bei 25(OH)-Spiegeln <30 ng/ml (75 nmol/L) und ein stark erhöhtem Risiko bei 25(OH)-Spiegeln von <20 ng/ml (50 nmol/L).

Bisherige Erkenntnisse deuten darauf hin, dass COVID-19 zum großen Teil Menschen mit niedrigem Vitamin-D-Spiegel infiziert und dass Todesfälle mit einem Mangel an Vitamin-D einhergehen. Auch ohne zusätzlich Daten deutet die Forschungslage darauf hin, dass ein erhöhter Vitamin-D-Spiegel hilfreich wäre, Infektionen, Krankenhausaufenthalte, Intensiveinweisungen und Todesfälle zu reduzieren.

Jahrzehntelange Forschung zeigt, daẞ Vitamin-D sehr risikoarm ist: Toxizität ist extrem selten bei diesen Empfehlungen. Vitamin-D Level, die den meisten Schutz gegen COVID-19 bieten, sind mit einem deutlich niedrigerem Risiko verbunden als Medikamente, wie z.B. Steroide (Dexamethasone), am weitesten akzeptierte der Behandlung bei COVID-19. Die Sicherheit von Vitamin-D gleicht eher der von Gesichtsmasken. Es ist nicht nötig auf weitere klinische Studien zu warten, um die Nutzung von etwas so Sicherem zu erhöhen, vor allem, wenn das Beheben der Defizienz/Insuffizienz schon jetzt Priorität haben sollte.

Daher rufen wir alle Regierungen, Ȁrzte und Mitarbeiter des Gesundheitswesens weltweit auf, die Erhöhung des Vitamin-D -Spiegels bei Erwachsenen sofort zu empfehlen und sich um eine Umsetzung dieser Empfehlung zu beműhen, zumindest bis zum Ende der Pandemie.

Konkret:

1. Empfehlen Sie Vitamin-D-Mengen, aus allen Quellen, die ausreichen, um einen 25(OH)D-Serumspiegel űber 30ng/ml (75 nmol/L) zu erreichen, ein weit bestätigtes Minimum mit erwiesenem reduzierten COVID-19-Risiko.

2. Empfehlen Sie Erwachsenen, täglich 4000 IE (100μg) einzunehmen (oder mindestens 2000 IE), wenn nicht getestet wurde. 4000 IE werden allgemein als sicher angesehen.

3. Empfehlen Sie Erwachsenen, die die oben genannten Mengen noch nicht erhalten, aber aufgrund von Übergewicht, dunkler Haut oder Leben in Altersheimen ein höheres Risiko der Defizienz haben, eine höhere Einnahme (z.B. 2x). Tests können helfen, zu niedrige oder zu hohe Werte zu vermeiden.

4. Empfehlen Sie Erwachsenen, die die oben genannten Mengen noch nicht erhalten, eine Einnahme von 10.000 IE (250μg) täglich űber 2-3 Wochen (oder bis zum Erreichen von 30 ng/ml im Test). Danach sollen sie eine tägliche Menge wie oben genannt einnehmen. Diese Vorgehensweise wird allgemein als sicher angesehen. Der Körper bildet an einem Sommertag am Strand grössere Vitamin-D-Mengen als gerade genannt. Die beiden Organisationen NAM (USA) und die EFSA (Europa) sagen, es sei keine beobachtete Nebenwirkung feststellbar, selbst bei täglicher Einnahme nicht.

5. Messen Sie den 25(OH)D-Spiegel aller COVID-19-Patienten im Krankenhaus und behandeln Sie mit Calcifediol oder D3, um zumindest die Insuffizienz <30 ng/ml (75 nmol/L) zu beheben. Die Behandlung der Insuffizienz könnte z.B. nach den Publikationen von Castillo et al. 20 oder Rastogi et al. 20 erfolgen, bis neue Erkenntnisse vorliegen.

Viele Faktoren sind bekannt, die zu einem höheren Risiko bei einer SARS-CoV-2 fűhren können, wie z.B. Alter, männliches Geschlecht, Komorbiditäten usw.. Aber ein unzureichender Vitamin-D-Spiegel ist bei weitem der am einfachsten zu behebende, am besten erforschte und am schnellsten modifizierbare Risikofaktor, um eine große Wirkung hervorzurufen. Vitamin-D ist preiswert und hat ein vernachlässigbares Risiko im Vergleich zum beträchtlichen Risiko von COVID-19.

Bitte handeln Sie sofort!

 

Hier die PDF zum Aufruf: https://vitamindforall.org/letter_DE.pdf

Hier ist der offene Brief original veröffentlicht: https://vitamindforall.org/letter.html

Die folgenden Unterzeichner schließen sich diesem Schreiben an.

Signatories (220 total; other counts at the end)

recom- mended intake

personal daily intake

Dr. Karl Pfleger, PhD AI & Computer Science, Stanford. Former Google Data Scientist. Biotechnology Investor, AgingBiotech.info, San Francisco, CA, USA. (organizing signatory)

4000 IU

7000 IU

Dr. Gareth Davies, PhD Medical Physics, Imperial College, London, UK. Codex World’s Top 50 Innovator 2019. Independent Researcher. Lead author of “Evidence Supports a Causal Role for Vitamin D Status in COVID-19 Outcomes.” (organizing signatory)

4000 IU

10,000 IU

Dr. Bruce W Hollis, PhD. Professor of Pediatrics, Medical University of South Carolina, USA.

4000 IU

6000 IU

Dr. Barbara J Boucher, MD, FRCP (London). Honorary Professor (Medicine), Blizard Institute, Bart's & The London School of Medicine and Dentistry, Queen Mary University of London, UK. (significantly contributing signatory)

4000 IU

2000 IU

Dr. Ashley Grossman, MD FRCP FMedSci. Emeritus Professor of Endocrinology, University of Oxford, UK. Professor of Neuroendocrinology, Barts and the London School of Medicine. 2020 Endocrine Society Laureate Award.

2000 IU

2200 IU

Dr. Gerry Schwalfenberg, MD, CCFP, FCFP. Assistant Clinical Professor in Family Medicine, University of Alberta, Canada.

4000 IU

5000 IU

Dr. Giovanna Muscogiuri, MD PhD. Associate Editor, European Journal of Clinical Nutrition. Department of Clinical Medicine and Surgery, Section of Endocrinology, University "Federico II" of Naples, Naples, Italy..

4000 IU

1000 IU

Dr. Michael F. Holick, PhD MD. Professor Medicine, Physiology and Biophysics and Molecular Medicine, Director Vitamin D, Skin and Bone Research Laboratory, Boston University Medical Center, USA. (6000 IU) Disclosure: Consultant Biogena and speaker's Bureau Abbott Inc.

4000 IU

6000 IU

Dr. John Umhau, MD, MPH. CDR, USPHS (ret). President, Academy of Medicine of Washington, DC, USA. Ex-NIH: co-author of the first peer-reviewed report linking vitamin D deficiency with acute respiratory infection. (significantly contributing signatory)

4000 IU

5000 IU

Dr. Pawel Pludowski, MD, dr hab. Associate Professor, Biochemistry, Radioimmunology and Experimental Medicine, Children’s Memorial Health Institute, Warsaw, Poland. Chair, European Vitamin D Association (EVIDAS) [non-profit].

4000 IU

2000 IU

Dr. Cedric F. Garland, DrPH. Professor Emeritus, Department of Family Medicine and Public Health, University of California, San Diego, USA.

4000 IU

6000 IU

Dr. Jose M. Benlloch, PhD. Professor, Director of the Institute for Instrumentation on Molecular Imaging, CSIC-UPV, Valencia, Spain.

2000 IU

3000 IU

Dr. Samantha Kimball, PhD, MLT. Professor, St. Mary's University, Calgary, Alberta, Canada. Research Director, GrassrootsHealth Nutrient Research Institute [non-profit]. (significantly contributing signatory)

4000 IU

6000 IU

Dr. William B. Grant, PhD Physics, U. of California, Berkeley. Director at Sunlight, Nutrition, and Health Research Center [non-profit], San Francisco, CA, USA. Disclosure: Receives funding from Bio-Tech Pharmacal, Inc.

4000 IU

5300 IU

Dr. Carol L. Wagner, MD. Professor, Medical University of South Carolina, USA.

4000 IU

5000 IU

Dr. Paul Marik, MD, FCCP, FCCM. Chief of Pulmonary and Critical Care Medicine and Professor of Medicine, Eastern Virginia Medical School, Norfolk, VA, USA.

2000 IU

2000 IU

Dr. Morry Silberstein, MD. Associate Professor, Curtin University, Australia.

4000 IU

 

Dr. Vatsal Thakkar, MD. Founder, Reimbursify, NY, USA.  Former faculty, NYU and Vanderbilt.  Op-Ed writer on Vitamin D and COVID-19. (significantly contributing signatory)

4000 IU

10,000 IU

Dr. Peter H Cobbold, PhD. Emeritus Professor, Cell Biology, University of Liverpool, UK.

4000 IU

4000 IU

Dr. Afrozul Haq, PhD. Professor Dept of Food Technology, Jamia Hamdard University, New Delhi, India.

4000 IU

2000 IU

Dr. Barry H. Thompson, MD, FAAP, FACMG. Clinical Associate Professor (Pediatrics), Uniformed Services University of the Health Sciences, Bethesda, MD, USA.

4000 IU

5000 IU

Dr. Reinhold Vieth, PhD, FCACB. Professor, Departments of Nutritional Sciences and Laboratory Medicine & Pathobiology, University of Toronto, Canada. Director (retired), Bone and Mineral Group Laboratory, Mt Sinai Hospital. Disclosure: Receives patent royalties from Ddrops (an infant vitamin D supplement).

4000 IU

4000 IU

Dr. Linda Benskin, PhD, RN, SRN(Ghana), CWCN, CWS, DAPWCA. Independent Researcher for Tropical Developing Countries and Ferris Mfg. Corp, Texas, USA. (significantly contributing signatory)

4000 IU

4000 IU

Jim O’Neill, CEO, SENS Research Foundation. Former principal associate deputy secretary of Health and Human Services, USA.

4000 IU

6000 IU

Dr. Eric Feigl-Ding, PhD. Epidemiologist & Health Economist. Senior Fellow, Federation of American Scientists. USA.

4000 IU

5000 IU

Rt Hon David Davis MP, Member of Parliament (Conservative Party). BSc, Joint Hons Molecular Science / Computer Science, Warwick University, UK.

4000 IU

6000 IU

Dr. Rupa Huq MP, Member of Parliament (Labour Party). PhD, Cultural Studies, University of East London, UK.

4000 IU

 

Dr. Susan J Whiting, PhD. Professor Emerita, University of Saskatchewan, Canada.

4000 IU

4000 IU

Dr. Richard Mazess. PhD. Emeritus Professor, University of Wisconsin, Madison, USA.

4000 IU

5000 IU

Dr. Helga Rhein, MD (retired). Sighthill Health Centre, Edinburgh, UK. (significantly contributing signatory)

4000 IU

3500 IU

Dr. Andrea Doeschl-Wilson, PhD. Professor of Infectious disease genetics and modelling, The Roslin Institute, University of Edinburgh, UK.

2000 IU

 

Dr. Ute-Christiane Meier, Dr med habil, PhD (Oxon), Dipl-Biol. Visiting lecturer, Institute of Psychiatry, Psychology & Neuroscience, King's College, London, UK and Privatdozentin, Ludwig Maximilian University of Munich, Germany. Disclosure: Patent 20160131666: "Biomarkers for inflammatory response."

4000 IU

2500 IU

Dr. Luigi Gennari, MD PhD. Full Professor, Internal Medicine, Department of Medicine, Surgery and Neurosciences, University of Siena, Siena, Italy.

4000 IU

3500 IU

Dr. Ased Ali, MBChB, PhD, FRCS. Consultant Urological Surgeon, Mid Yorkshire Hospitals NHS Trust, UK.

4000 IU

8000 IU

Dr. Pavel Kocovsky, PhD DSc FRSE FRSC. Professor Charles University, Prague, and Czech Academy of Sciences, Czech Republic.

4000 IU

6000 IU

Dr. Ace Lipson, MD. Endocrinologist. Clinical Professor, George Washington University, Washington, DC, USA.

4000 IU

2000 IU

Dr. Attila R Garami, MD, PhD Multidisciplinary Medical Sciences. Senior Biomarker Consultant, Switzerland.

4000 IU

2500 IU

Dr. David S Grimes, MD (retired), FRCP, University of Manchester, UK.

4000 IU

4000 IU

Dr. Larry Callahan, PhD. Chemist, FDA, Maryland, USA.

2000 IU

3000 IU

Dr. Jeanne M Marconi, MD, Pediatrics. Vice President of PM Pediatrics, New York, USA.

4000 IU

5000 IU

Dr. Spiros Karras, MD. Endocrinologist, Department of Endocrinology and Metabolism-Diabetes Center, 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece.

2000 IU

2000 IU

Dr. Joanna Byers, MBChB, University of Birmingham, UK.

4000 IU

5000 IU

Dr. Jaimin Bhatt, MBChB, MMed(Surgery) FRCS(Urol) FEBU. Consultant Urological Surgeon, Queen Elizabeth University Hospital, NHS Greater Glasgow and Clyde, UK. (2000 IU)

4000 IU

2000 IU

Dr. Christiane Northrup, MD. Obstetrician/Gynecologist, USA.

4000 IU

7500 IU

Dr. Jörg Spitz, Dr med. Academy of Human Medicine, Schlangenbad, Germany.

4000 IU

10,000 IU

Dr. Naghmeh Mirhosseini, MD, PhD, MPH. Research Associate, School of Public Health, University of Saskatchewan, Canada..

4000 IU

5000 IU

Dr. Iacopo Chiodini, MD. Associate Professor of Endocrinology, Dept. of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy. Head, Unit for Bone Metabolism Diseases and Diabetes, Istituto Auxologico Italiano, IRCCS, Milan, Italy.

4000 IU

3500 IU

Dr. David C Anderson, MD MSc FRCP FRCPE FRCPath. Retired Physician and Endocrinologist, Former Professor of Endocrinology, Manchester University, UK and Professor of Medicine, The Chinese University of Hong Kong.

4000 IU

4000 IU

Dr. Colin Bannon, MBChB. GP (retired), Devon, UK.

4000 IU

5000 IU

Dr. Patricia S. Latham, MD EdD. Professor of Pathology & Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, USA.

2000 IU

2000 IU

Dr. Teresa Fuller, MD PhD. Pediatrician, Owings Mills, MD, USA.

4000 IU

5000 IU

Dr. Omar Wasow, PhD, Harvard. Assistant Professor, Politics, Princeton University, NJ, USA.

4000 IU

4000 IU

Dr. Fabio Vescini, MD PhD. Endocrinology and Metabolism Unit, University-Hospital S. Maria della Misericordia, Italy.

2000 IU

2000 IU

Dr. Emily Grossman, PhD Molecular Biology, University of Manchester, UK. Science Author, Broadcaster and Educator.

4000 IU

4000 IU

Dr. David Carman, MBChB, University of Cape Town, South Africa.

4000 IU

3000 IU

Dr. Kalliopi Kotsa, MD PhD. Professor, Endocrinology-Diabetes, Dept of Medicine, Aristotle University, Thessaloniki, Greece.

4000 IU

4000 IU

Dr. Eva Kocovska, PhD, Queen Mary University of London. Gillberg Neuropsychiatry Centre, University of Gothenburg, Sweden. Medical College, Prague, Czech Republic.

2000 IU

2000 IU

Dr. Benjamin Jacobs, MBBS MD MRCP(UK) FRCPCH. Royal National Orthopaedic Hospital, UK.

2000 IU

2000 IU

Dr. Joan Lappe, PhD RN FAAN. Professor, Creighton University, Omaha, Nebraska, USA.

4000 IU

 

Dr. Ronald A. Primas, MD FACP FACPM DABIHM CTH. New York, NY, USA.

4000 IU

4000 IU

Dr. Cristina Eller Vainicher, MD. Unit of Endocrinology, Fondazione Ca'Granda IRCCS OSpedale Maggiore Policlinico Milan, Italy. Head of the outpatients clinic for osteoporosis.

4000 IU

3500 IU

Dr. Matthias Gauger, MD. General Practitioner, Switzerland.

2000 IU

3000 IU

Dr. David Warwick, DDS. Dentist, Alberta, Canada. Published Researcher.

4000 IU

8000 IU

Dr. Sunil J. Wimalawansa, MD PhD MBA FRCP FRCPath FACE FACP DSc. Professor of Medicine, Endocrinology & Nutrition, Cardiometabolic & Endocrine Institute, New Jersey, USA.

4000 IU

5000 IU

Perry S. Holman. Executive Director, Vitamin D Society [non-profit], Canada.

4000 IU

4000 IU

Sharon McDonnell, MPH. Biostatistician, GrassrootsHealth Nutrient Research Institute [non-profit], Encinitas, CA, USA.

4000 IU

5000 IU

Mike Fischer. Founder, VitaminDassociation.org [non-profit]. Director of Research, Systems Biology Laboratory, UK.

4000 IU

4000 IU

Dr. Lina Zgaga, MD, PhD. Associate Professor of Epidemiology, Trinity College Dublin, University of Dublin, Ireland.

2000 IU

3000 IU

Dr. Irwin Jungreis, PhD, Harvard University. Research Scientist, Massachusetts Institute of Technology, Cambridge, MA, USA.

2000 IU

2700 IU

Dr. Jane Coad, PhD. Professor of Nutrition, Massey University, New Zealand.

4000 IU

2000 IU

Dr. Cedric Annweiler, MD PhD. Professor of Geriatric Medicine, School of Medicine, Health Faculty, University of Angers and Department of Medicine, Clinique de l’Anjou, Angers, France. Disclosure: occasional consultant for Mylan Laboratories Inc.

2000 IU

2000 IU

Dr. Salvatore Minisola, MD. Full Professor of Internal Medicine, "Sapienza" Rome University, Italy.

4000 IU

 

Dr. Mats B. Humble, MD PhD. Psychiatrist (retired), Senior lecturer, Department of Medical Sciences, Örebro University, Sweden.

2000 IU

3000 IU

Dr. Andrea Fabbri, MD PhD. Professor of Endocrinology, Head Endocrinology Division, Ospedale CTO A. Alesini, University of Rome Tor Vergata, Rome, Italy.

4000 IU

7000 IU

Dr. Steve Jones, PhD FRS. Emeritus Professor of Human Genetics, Dept of Genetics, Evolution and Environment, University College London, UK.

4000 IU

 

Dr. Hermann Brenner, MD MPH. Professor of Epidemiology, Head of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany.

2000 IU

2000 IU

Dr. Helder F. B. Martins, MD PhD (hon).Specialist & Emeritus Professor of Public Health. Former Minister of Health, Mozambique. Former WHO. Member, Mozambican Government COVID-19 advisory committee.

4000 IU

4000 IU

Dr. G. Siegfried Wedel, MD. Internist-Nephrologist (retired), Vierhöfen, Germany.

4000 IU

8000 IU

Dr. Robin Weiss, PhD FRCPath FMedSci FRS. Emeritus Professor of Viral Oncology, Division of Infection & Immunity, University College London, UK.

4000 IU

2000 IU

Dr. Giancarlo Isaia, MD. Full Professor, University of Turini. President of the Academy of Medicine of Turin, Italy.

2000 IU

 

Dr. Susanne Bejerot, MD. Professor, Örebro University, Sweden.

2000 IU

3000 IU

Dr. Antonio D'Avolio, PhD. Professor of Pharmacology, University of Turin, Italy.

4000 IU

4000 IU

Dr. Gustavo Duque, MD PhD FRACP FGSA. Chair of Medicine & Director of the Australian Institute for Musculoskeletal Science (AIMSS). The University of Melbourne and Western Health, Melbourne, Australia.

2000 IU

0 IU

Dr. Giovanni Passeri, MD PhD. Associate Professor, Internal Medicine, Dep. of Medicine and Surgery, University of Parma, Parma, Italy.

4000 IU

4000 IU

Dr. Pankaj Kapahi, PhD. Professor, Buck Institute for Research on Aging, Novato, California, USA.

4000 IU

 

Dr. Giuseppe Poli, MD PhD. Emeritus Professor of General Pathology, University of Turin, Italy.

2000 IU

2000 IU

Dr. Patrick McCullough, MD. Chief of Medical Services, Summit Behavioral Healthcare, Cincinnati, Ohio USA.

4000 IU

50,000 IU

Dr. Prashanth Kulkarni, MD DM FSCAI FACC. Consultant Cardiologist, Hyderabad, India.

4000 IU

4000 IU

Dr. Klaus Badenhoop, MD PhD. Professor, Division of Endocrinology & Diabetes, Department of Internal Medicine, Goethe-University Hospital, Frankfurt am Main, Germany.

4000 IU

4000 IU

Dr. José-María Sánchez-Puelles, PhD. Senior Researcher, CIB Margarita Salas, CSIC, Spain

2000 IU

 

Dr. Carmelinda Ruggiero, MD PhD. Professor of Geriatric Medicine, School of Medicine, University of Perugia, Italy. Head of the Orthogeriatric Unit, S Maria Misericordia Teaching Hospital, Perugia, Italy. Disclosure: Occasional consultant for UCB Pharma.

4000 IU

4000 IU

Dr. Jose Manuel Quesada Gomez, MD, PHD, Honorary Professor, University of Cordoba. Maimonides Research Institute, Cordoba. Spain.

2000 IU

Calcifediol

266μg/

month

Dr. Giovanni Minisola, MD. President Emeritus of Italian Society for Rheumatology. Scientific Director of "San Camillo - Forlanini" Foundation, Rome, Italy.

4000 IU

 

Christine French, MS. Research Analyst at GrassrootsHealth Nutrient Research Institute [non-profit], Encinitas, CA, USA.

4000 IU

5000 IU

Dr. Patrizia Presbitero, MD. Clinical and interventional cardiology, Cardio Center, Humanitas Research Hospital Rozzano, Rozzano, Milan, Italy.

4000 IU

 

Dr. Ken Redcross, MD. Doctor and on-camera medical expert, New York, USA. Disclosure: scientific advisory board of the Organic & Natural Health Association.

4000 IU

10,000 IU

Dr. Rajeev Venugopal, MBBS FRCS FACS DM. Consultant Plastic Surgeon/ Associate Lecturer in Surgery, University of the West Indies at Mona, Jamaica.

2000 IU

2000 IU

Dr. Gianluca Isaia, MD PhD. Geriatrician, Section of Geriatrics, Department of Medical Sciences, University of Turin, A.O.U. Città della Salute e della Scienza di Torino, Molinette, Turin, Italy.

2000 IU

2000 IU

Dr. Piero Stratta, MD. Professor of Nephrology, University Piemonte Orientale, Italy.

4000 IU

4000 IU

Dr. Ben Schöttker, PhD. Scientist, Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany.

2000 IU

1400 IU

Dr. Roberto Fantozzi, MD. Full Professor of Pharmacology, University of Turin, Turin, Italy.

4000 IU

2000 IU

Dr. Sheryl L Bishop, PhD. Professor Emeritus, University of Texas Medical Branch, School of Nursing, Galveston, Texas, USA.

4000 IU

2000 IU

Dr. Wayne Jonas, MD. Professor of Family Medicine, Georgetown University. Former Director NIH Office of Alternative Medicine, USA.

2000 IU

 

Dr. Ferdinando Silveri, Medical Director of the Rheumatology Clinic of the Marche Polytechnic University, Ancona, Italy.

4000 IU

 

Dr. Vatsalya Vatsalya, MD. Department of Medicine, University of Louisville. National Institute on Alcohol Abuse and Alcoholism NIH, USA.

2000 IU

 

Dr. Rachel Nicoll, PhD. Medical researcher, Umeå University, Sweden.

4000 IU

4000 IU

Dr. Fausto Crapanzano, MD, Physical Medicine and Rehabilitation. Chief, MFR Department, Provincial Health Authority, Agrigento, Italy.

4000 IU

 

Dr. Raimund von Helden, Dr med. Family medicine. Institute VitaminDelta, Lennestadt, Germany. Disclosure: Institute VitaminDelta sells consumer advice including on vitamin D for modest cost, but with no ties to other commercial interests.

4000 IU

8000 IU

Carole Baggerly, Founder & Director, GrassrootsHealth Nutrient Research Institute [non-profit], Encinitas, CA, USA.

4000 IU

10,000 IU

Dr. Edward Gorham, PhD MPH. Adjunct Professor, University of California San Diego, School of Medicine, Dept of Family Medicine and Public Health, USA.

4000 IU

10,000 IU

Dr. David Verhaeghen, MD, Anesthesiology, Algology and Pain Medicine, Aalst, Belgium.

2000 IU

3000 IU

Dr. Silvia Migliaccio, MD PhD. Associate Professor at University Foro Italico of Roma, Italy. Secretary of the Italian Society of Food Sciences.

4000 IU

1000 IU

Dr. Vítor Oliveira, MD, Internal Medicine, Brazil.

4000 IU

5000 IU

Dr. Djamel Deramchi, MD. Functional medicine. GrassrootsHealth Certified Vitamin D*practitioner and Coimbra Protocol Certified Doctor. France.

4000 IU

10,000 IU

Dr. William Shaver, MD. Physician, Gastroenterologist, Lubbock, TX, USA.

4000 IU

5000 IU

Dr. Wim Soetaert, PhD. Prof. Microbiology & Biotechnology, Ghent University, Centre for Industrial Biotechnology and Biocatalysis (InBio.be), Belgium.

4000 IU

5000 IU

Dr. Mark S. Braiman, PhD. Professor of Chemistry, Syracuse University, USA.

4000 IU

10,000 IU

Dr. Mikko Paunio, MD PhD MHS. Adjunct Professor in General Epidemiology, University of Helsinki. Medical Counselor Ministry of Social Affairs and Health, Finland.

4000 IU

6000 IU

Dr. Olaf Dathe, Dr med. OBGYN, Munich, Germany.

4000 IU

6500 IU

Dr. Manfred Eggersdorfer, PhD. Professor for Healthy Ageing, University Medical Center Groningen, The Netherlands. Member of the Advisory Board of the Johns Hopkins Bloomberg School of Public Health. Disclosure: Head of Nutrition Science and Advocacy, DSM Nutritional Products. Member of the scientific board of PM International.

2000 IU

2000 IU

Dr. Chris Newton, PhD. Research director, Centre for Immuno-Metabolism, Microbiome and Bio-energetic Research (CIMMBER), UK.

4000 IU

4000 IU

Dr. Doreen Brodmann, Dr med. Head of Nephrology, Spitalzentrum Oberwallis, Switzerland.

4000 IU

10,000 IU

Dr. Srijit Mishra, PhD, Economics. Professor, Indira Gandhi Institute of Development Research, Mumbai, India.

2000 IU

 

Dr. Marco Infante, MD. Adjunct Professor of Endocrinology, UniCamillus - Saint Camillus International University of Health Sciences, Rome, Italy.

4000 IU

4000 IU

Dr. Jean-Marc Sabatier, PhD HDR. Director of research at CNRS (French National Centre for Scientific Research), Institut de NeuroPhysiopathologie (INP), Marseille, France.

4000 IU

4000 IU

Dr. Mohsin Sidat, MD PhD. University Eduardo Mondlane, Mondlane, Mozambique.

2000 IU

2000 IU

Dr. Pallavi Devulapalli, MBBS MRCGP. Hospital Practitioner in Dermatology. GP, Vide Healthcare. Norfolk, UK.

2000 IU

 

Dr. Dimitrios T. Papadimitriou, MD PhD. Director, Department of Pediatric-Adolescent Endocrinology & Diabetes, Athens Medical Center, Greece.

4000 IU

10,000 IU

Dr. Bodo Schertel, Dr med. Professor, Hochschule Mannheim, Germany.

4000 IU

10,000 IU

Dr. Jahit Sacarlal, MD PhD MPH. Professor, Department of Microbiology, Eduardo Mondlane University, Maputo, Mozambique.

4000 IU

7500 IU

Dr. Espen Haug, Phd. Professor, School of Economics and Business, Norwegian University of Life Sciences (NMBU), Norway.

4000 IU

5000 IU

Dr. Martin Hewison, PhD. Professor of Molecular Endocrinology, Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK. Disclosure: Received honorarium from Thornton Ross (UK) for online seminar.

2000 IU

2000 IU

Dr. Damien Downing, MBBS MRSB. President, British Society for Ecological Medicine, UK.

4000 IU

8000 IU

Dr. Linda A. Linday, MD. Assistant Clinical Professor of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA.

4000 IU

4000 IU

Dr.  Rose Anne Kenny, MD FRCP FRCPI FRCPEdin FTCD FESC MRIA. Professor, Chair of Medical Gerontology, Trinity College, Dublin, Ireland.

2000 IU

2000 IU

Dr. Mihkel Zilmer, Dr. med. Professor, Medical Biochemistry, Head of Department of Biochemistry, Tartu University, Faculty of Medicine, Estonia.

2000 IU

2000 IU

Dr. Jaan Eha, MD PhD. Professor of Cardiology, Tartu University, Faculty of Medicine, Estonia.

2000 IU

2000 IU

Dr. Anna Moore, MBBS PgDipNutrMed, London, UK.

2000 IU

2000 IU

Dr. Roger D. Seheult, MD. Assistant Professor, Loma Linda University School of Medicine. Associate Professor, UC Riverside School of Medicine. Cofounder, MedCram, USA.

4000 IU

5000 IU

Dr. Jean-Claude Souberbielle, PhD PharmD. Former head of Hormonology Laboratory, Necker Hospital, Paris, France.

2000 IU

3300 IU

Dr. Emmanuelle Faucon, MD, Toulon, France. Former Medical Affairs Director in Immunology and Virology, Bristol Myers Squibb.

4000 IU

4000 IU

Dr. Aida Santaolalla, PhD. Senior Data Scientist, Cancer Epidemiology, King's College London, UK.

2000 IU

2000 IU

Dr. Elisa Song, MD. Pediatrician, Belmont, CA, USA.

4000 IU

5000 IU

Dr. Mylene Huynh, MD MPH. Colonel (ret), USAF. Adjunct Assistant Professor, Department of Preventive Medicine and Biometrics, Uniformed Services University of the Health Sciences, USA.

2000 IU

5000 IU

Dr. Yosef Weisman, MD. Professor. Retired head of Bone Desease Unit and the Vitamin D Lab, Tel Aviv Souraski Medical Center, Faculty of Medicine, Tel Aviv University, Israel.

2000 IU

2000 IU

Dr. Andrius Bleizgys, MD PhD. Lector of Clinic of Internal Diseases, Family Medicine and Oncology, Vilnius University Faculty of Medicine, Vilnius, Lithuania.

4000 IU

4000 IU

Dr. Keshav Singhal, FRCS MS(orth) M.Ch(orth). Professor, Consultant Orthopaedic Surgeon. Chair British Association of Physicians of Indian Origin (BAPIO), Wales. Council Member & Trustee, Swansea University. Fellow of Learned Society of Wales, UK.

4000 IU

4000 IU

Dr. Gennadi Glinsky, MD PhD. Professor, Institute of Engineering in Medicine, University of California, San Diego, La Jolla, USA.

4000 IU

5000 IU

Dr. Eero Vasar, MD PhD. Professor of Human Physiology, University of Tartu, Estonia.

2000 IU

2000 IU

Dr. Frank C. Church, PhD. Professor of Pathology and Laboratory Medicine, University North Carolina School of Medicine, Chapel Hill, NC, USA.

4000 IU

5000 IU

Dr. Michael J. A. Robb, MD. Physician, Oto-Neurologist, Robb Oto-Neurology Clinic, Phoenix, Arizona. Past President, Association of American Physicians and Surgeons (AAPS), USA.

4000 IU

10,000 IU

Dr. Giles Duffield, PhD. Associate Professor, Department of Biological Sciences & Eck Institute for Global Health, University of Notre Dame, Notre Dame, IN, USA.

4000 IU

5000 IU

Dr. Harry Wichers, PhD. Professor in Immune Modulation by Food, Wageningen UR, The Netherlands.

2000 IU

1000 IU

Dr. Matthew A. Nehs, MD. Assistant Professor of Surgery, Harvard Medical School. Program Director, Harvard Combined Endocrine Surgery Fellowship. USA.

4000 IU

5000 IU

Dr. Hana Fakhoury Hajeer, PhD. Associate Professor of Biochemistry, Alfaisal University, Saudi Arabia.

2000 IU

2000 IU

Dr. Fatme Al Anouti, PhD Biochemistry. Associate Professor, College of Natural and Health Sciences, Zayed University, UAE.

4000 IU

4000 IU

Dr. José C. Tutor, PharmD PhD MB. Pharmacology Unit, Health Research Institute, University Clinical Hospital, Santiago de Compostela, Spain.

4000 IU

10,000 IU

Dr. Wolfgang Schrott, PhD. Professor (retired), Chemistry, Hochschule Hof University of Applied Sciences, Germany.

4000 IU

2000 IU

Dr. Brian Lenzkes, MD, Internal Medicine, San Diego, CA, USA.

2000 IU

 

Dr. Ryan (Nguyen) Hoang, MD. Resident Physician, Pediatrics, Children's Mercy Hospital, Kansas City, Kansas, USA. Reddit Moderator & Editor at /r/science & /r/coronavirus.

4000 IU

2000 IU

Dr. Hayley A Young, PhD. Associate Professor, Nutrition and Behaviour, Swansea University, UK.

4000 IU

4000 IU

Dr. Luis Lugones, PhD. Assistant Professor Microbiology, Faculty of Sciences, Utrecht University, The Netherlands.

4000 IU

5000 IU

Beth Ellen DiLuglio, RDN LDN MS in Human Nutrition from Columbia University College of Physicians and Surgeons Institute of Human Nutrition. Former Associate Professor of Nutrition, Palm Beach State College, Lake Worth, FL. Registered Dietitian Nutritionist, Florida, USA. Disclosure: Researcher & writer for OptimalDx.com.

4000 IU

4000 IU

Dr. David Benton, PhD DSc. Professor, Swansea University, UK.

4000 IU

4000 IU

Dr. Ljubiša Mihajlović, PhD, Molecular biology. Professor, Academy of Technical and Educational Sciences, Niš, Serbia. CEO, Geneinfo, Niš, Serbia.

4000 IU

4000 IU

Dr. Huub Savelkoul, PhD. Full Professor, Head, Cell Biology and Immunology Group, Wageningen University, The Netherlands.

2000 IU

1000 IU

Dr. Cicero Galli Coimbra, MD PhD. Assistant Professor of Neurology and Neuroscience, Federal University of São Paulo. President, Institute for Investigation and Treatment of Autoimmunity, Brazil. Creator, "Coimbra Protocol" for autoimmune diseases.

4000 IU

20,000 IU

Dr. Parag Singhal, MD FRCP FACP. Professor of Medicine, University of South Wales, UK. Consultant Endocrinologist.

4000 IU

3300 IU

Dr. Meis Moukayed, PhD (Cantab), Professor of Health and Life Sciences, American University in Dubai, Dubai, UAE.

4000 IU

10,000 IU

Dr. Linda Bluestein, MD. Clinical Assistant Professor, Medical College of Wisconsin, USA.

4000 IU

5000 IU

Dr. Alex Bäcker, PhD, Biology, Caltech, USA.

4000 IU

 

Dr. Chad G. Kahl, MD SFS FAAFP. Clinical Assistant professor of Medicine, Uniformed Services University. Chief Medical Officer, Pentagon Flight Medicine Clinic, USA.

4000 IU

5000 IU

Dr. Renu Mahtani, MD FMNM. Consulting Physician and Founder, Autoimmunity Treatment Center, Pune, India.

4000 IU

20,000 IU

Dr. Andrea Deledda, PhD. Department of Medical Sciences and Public Health, University of Cagliari. Nutritionist, Obesity Center, University Hospital of Cagliari, Italy.

2000 IU

2000 IU

Dr. Alessandro D. Santin, MD. Professor of Obstetrics & Gynecology, Yale School of Medicine, New Haven, CT, USA.

4000 IU

5000 IU

Dr. Kelly McCann, MD MPH. Physician and President, The Spring Center, Costa Mesa, CA, USA.

4000 IU

7500 IU

Dr. Alessandro Comandone, MD. Director, Dept. of Oncology, San Giovanni Bosco Hospital Turin, Italy.

2000 IU

 

Dr. Endrit Shahini, MD MSC FPO-IRCCS. Candiolo Cancer Institute, Candiolo (Torino), Italy.

4000 IU

 

Dr. Phillip C. Gioia, MD MPH FAAP FACPM, Certificate in Clinical Informatics. Medical Director of Cayuga County Health Department, NY, USA.

2000 IU

800 IU

Dr. Edward Jude, MBBS MD FRCP. Professor of Medicine, University of Manchester, UK.

4000 IU

3000 IU

Dr. Jaimela J Dulaney, MD. Cardiology, Primary Care, Nutrition, Port Charlotte, Florida, USA.

4000 IU

5000 IU

Dr. Sudeepta Varma, MD DFAPA. Clinical Assistant Professor, Department of Psychiatry, NYU Grossman School of Medicine, NY, USA.

4000 IU

4000 IU

Dr. Olga Louro, MD PhD. Clínical Laboratory, University Clínical Hospital, Santiago de Compostela, Spain.

4000 IU

10,000 IU

Dr. Joerg Velker, PhD. Chief Patent Counsel, Idorsia Pharmaceuticals, Switzerland. Former Senior Lab Head, Medicinal Chemistry, Actelion.

4000 IU

4000 IU

Dr. Maartje van Putten, PhD. Member of European Parliament 1989-99, Committee on Environment Heath & Consumer Affairs. Chair, OECD NCP, The Netherlands.

2000 IU

 

Dr. Maria Joana Pinto, Teacher (Docente), Medical Course, Pará State University (UEPA), Marabá Campus, Pará, Brazil.

4000 IU

200,000 IU (auto immune disease)

Dr. Sergio Luis Menéndez Lucero, MD PhD. General Practitioner, Autoimmune Focus. Spain.

4000 IU

10,000 IU

Dr. Jean-Michel Wendling, MD, Occupationnal Médecine, ACST, Strasbourg, France.

4000 IU

4000 IU

Dr. Georg Moessmer (Mößmer), Dr med., Hemostaseology, Institute for Clinical Chemistry and Pathobiochemistry, Technical University of Munich, Munich, Germany.

4000 Iu

6000 IU

Dr. Haladia Pessotti de Campos Simião, MD. Endocrinologist, Clinical Nutritionist, & General Practitioner, São Paulo, Brazil.

4000 IU

10,000 IU

Dr. Franklin Roy Long, MD MPH/TM ABOIM. Family Medicine, Vacaville, CA, USA.

4000 IU

10,000 IU

Dr. Stelios Bekiros, PhD. Professor, European University Institute, Department of Economics, Florence, Italy. Affiliate Research Fellow, IPAG Business School. Senior Fellow, Rimini Centre for Economic Analysis (RCEA).

4000 IU

4000 IU

Dr. Farhad Zangeneh, MD. Medical Director & CMO, Endocrine, Diabetes and Osteoporosis Clinic, Washington, DC, USA.

4000 IU

7100 IU

Dr. Adrian F Gombart, PhD. Principal Investigator, Linus Pauling Institute, Professor, Department of Biochemistry and Biophysics, Oregon State University, USA.

2000 IU

4000 IU

Dr. Sari Arponen, MD PhD. Internist and Infectious Diseases Specialist, Associate Professor, Camilo José Cela University, Madrid. University Hospital of Torrejón, Spain.

4000 IU

10,000 IU

Dr. Naomi Parrella, MD FAAFP Dipl.ABOM. Assistant Professor. Rush University Medical Center, Chicago, IL, USA.

2000 IU

 

Dr. Jens Freese, Doctor of Natural Sciences (Dr rer nat, Germany). Dr. Freese Institute for Sport and Nutritional Immunology, Cologne, Germany.

4000 IU

10,000 IU

Dr. Luciano G Nina, MD. Assistant Professor, Faculdade de Medicina de Jundiaí, Sao Paulo, Brazil.

4000 IU

 

Dr. Robert M Hansen, MD. Internal Medicine, Critical Care Medicine, Anesthesiology. Managing Partner, Redding Anesthesia Associates Medical Group, Redding, CA, USA.

4000 IU

4000 IU

Dr. Canan Karatay, MD. Professor of Heart and Internal Diseases, former Rector of Istanbul Bilim (Science) University, Istanbul, Turkey.

4000 IU

10,000 IU

Dr. David Brownstein, MD. Clinical Professor of Internal Medicine, Wayne State University School of Medicine. Medical Director, Center for Holistic Medicine, West Bloomfield, Michigan, Michigan, USA.

4000 IU

6000 IU

Dr. Vassaras Alexandros-Charalampos, MD, NeuroImmunology. Papageorgiou General Hospital, Greece.

4000 IU

12,500 IU

Dr. Sarfraz Zaidi, MD FACP FACE. Endocrinologist, Camarillo, CA. Former Assistant Clinical Professor of Medicine, UCLA, USA.

4000 IU

10,000 IU

Dr. Maria Morello, PhD, Clinical Biochemistry and Molecular Biology. Senior Researcher, Department of Experimental Medicine, Tor Vergata University, Rome University Hospital, Rome, Italy.

4000 IU

 

Dr. Bryan A Stepanenko, MD MPH IFMCP. Active Duty US Army, Member of Task Force Resilience, Army Public Health, Primary Care Physician, USA.

4000 IU

4000 IU

Dr. Yamile Mussa, MD. Pediatrician, Autism Specialist, Bolívar, Venezuela.

4000 IU

10,000 IU

Dr. Joseph Parambil, MD. Pulmonologist, Cleveland Clinic, Respiratory Institute, and Assistant Professor of Medicine, Cleveland Clinic, Lerner College of Medicine, Cleveland, OH, USA.

4000 IU

 

Dr. David Norman Grant, Former Consultant Neurosurgeon, Great Ormond St. Hospital and National Hospital for Neurology and Neurosurgery, Queen Square, London, UK.

4000 IU

4000 IU

Dr. Ellen C G Grant, MBChB, DObstRCOG, Retired Physician and Medical Gynaecolgist, Kingston upon Thames, UK.

4000 IU

4000 IU

Dr. Peter Moon, PhD. Professor Emeritus, Biomateriels Director, Department of General Practice, Virginia Commonwealth University, School of Dentistry, Richmond, VA, USA.

4000 IU

17,000 IU

Dr. Ram Yogendra, MD MPH. Anesthesiologist, Private Practice. Founder & Director, ECA Wellness, Rhode Island, USA.

4000 IU

4000 IU

Dr. Laura Di Renzo, PhD. Professor, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Italy.

4000 IU

 

Dr. Theo van Kempen, Dr Ir, PhD. Adjunct Professor, North Carolina State University, USA.

4000 IU

4400 IU

Dr. Laurence S. Harbige, PhD CBiol FRSB. Deputy Director of the Lipidomics and Nutrition Research Centre (LNRC) and Senior Lecturer in the School of Human Sciences, London Metropolitan University, UK.

2000 IU

 

Dr. Björn Hammarskjöld, MD, PhD in Biochemistry. Assistant professor in Pediatrics at Strömstad Academy, Östervåla, Sweden.

4000 IU

10,000 IU

Dr. Birgit Strodel, PhD. Professor, Computational Biochemistry, Research Centre Jülich, Jülich, and Heinrich Heine University, Düsseldorf, Germany.

2000 IU

2000 IU

Dr. Pearl Grimes, MD FAAD. Founder & Medical Director, Vitiligo & Pigmentation Institute of Southern California. Chief Dermatologist, Versicolor Technologies. Former Clinical Professor of Dermatology, UCLA, USA.

4000 IU

5000 IU

Dr. Julian Walters, MBBChir, DSc. Professor of Gastroenterology, Imperial College London, UK.

2000 IU

2000 IU

Dr. Patrick Chambers, MD. Laboratory Director (ret), Torrance Memorial Medical Center, Torrance, CA, USA.

4000 IU

6000 IU

Dr. David Sinclair, PhD. Professor of Genetics, Co-Director, Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA, USA. Disclosure: List of past & present affiliations.

 

2000 IU

 

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