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Vitamin D deficiency in the UK

1st October, Vitamin D, news and science    • Vitamin D news and  science   16th September, Vitamin D and pandemic science    • Vitamin D and pandemic science   12th September, Vitamin D, Large scale studies    • Vitamin D, Large scale studies   6th September, Vitamin D, Frist clinical trial    • Vitamin D, First clinical trial   27th July, Vitamin D, Science    • Vitamin D, Science   20th June, Vitamin D hits the media    • Vitamin D hits the media   10th June, Vitamin D update    • Vitamin D Update   18th May, Dr Shelton, Part 1, Reports from New Zealand    • Dr  Shelton, Part 1, Reports from New Zealand   21st May, Dr Shelton, Part 2, Vitamin D    • Dr  Shelton, Part 2, Vitamin D   10th May, Vitamin D dose    • Vitamin D dose   15th April, Vitamin D and Immunity, Lots of evidence    • Vitamin D and Immunity, Lots of Evidence   9th March, Vitamin D and immunity    • Vitamin D and immunity   There is not enough evidence that vitamin D supplements protect people against Covid-19, an expert panel says. https://www.bbc.co.uk/news/health-553... Institute for Health and Care Excellence Public Health England Scientific Advisory Committee on Nutrition More research needed Insufficient evidence Advised to take a daily supplement this winter to keep bones and muscles healthy 10 micrograms (400 international units) Nobel prize, 1928, Adolf Windaus Dr Paul Chrisp We are continuing to monitor evidence as it is published and will review and update the guidance if necessary Determinants of vitamin D deficiency in the UK (Clinical Nutrition) University of South Australia (16th December) https://www.clinicalnutritionjournal.... https://www.clinicalnutritionjournal.... https://www.unisa.edu.au/Media-Centre... Using UK Biobank data https://www.ukbiobank.ac.uk Severe vitamin D deficiency remains an issue throughout the UK Cross-ethnic analyses on the prevalence and determinants of vitamin D deficiency 25(OH)D equal to or less than 25 nmol/L Calcifediol 10 ng/ml Data from 440,581 UK Biobank participants 415,903 identified as White European 7,880 Asian 7,602 Black African 1,383 Chinese 6,473 of mixed ancestry Prevalence of vitamin D deficiency Asian ancestry 57.2% in winter or spring 50.8% in summer or autumn Black African ancestry 38.5% in winter and spring 30.8% in summer or autumn Mixed ancestry 36.5% in winter and spring 22.5% in summer or autumn Chinese ancestry 33.1% in winter and spring 20.7% in summer or autumn White European ancestry 17.5% in winter and spring 5.9% in summer or autumn Participants with higher socioeconomic deprivation More likely to have 25(OH)D deficiency compared to less deprived participants (P = less than 1 × 10 −300) This pattern was more apparent among those of White European ancestry Regular consumption of oily fish was associated with reduced odds of vitamin D deficiency across all ethnicities Asians are less likely to eat fish or use vitamin D supplements compared to other ethnicities Outdoor-time in summer was less effective for Black Africans than White Europeans Other risk factors Living further north Indoor employment Computer time and games Professor Elina Hypponen (SA) The severity of vitamin D deficiency is concerning especially with the high rates of COVID-19 infections in Europe and elsewhere in the northern hemisphere this winter Clinical trials have shown that vitamin D supplements are beneficial in the prevention of respiratory infections and even mortality Vitamin D is not expensive and the doses which have shown the greatest benefits are those that we can all acquire over the counter from the local pharmacy Given the COVID-19 pandemic, now is really the time for all who may be affected to take action