Dr John Campbell
@campbellteaching·3.3M subscribers·3.1K videos
Vitamin D deficiency in the UK
Posted
December 17, 2020
Views
91,911
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December 17, 2020
91,911
3,940
1,329
5.73%
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28:46Now Playing1st October, Vitamin D, news and science
16th September, Vitamin D and pandemic science
12th September, Vitamin D, Large scale studies
6th September, Vitamin D, Frist clinical trial
27th July, Vitamin D, Science
20th June, Vitamin D hits the media
10th June, Vitamin D update
18th May, Dr Shelton, Part 1, Reports from New Zealand
21st May, Dr Shelton, Part 2, Vitamin D
10th May, Vitamin D dose
15th April, Vitamin D and Immunity, Lots of evidence
9th March, Vitamin D and immunity
There is not enough evidence that vitamin D supplements protect people against Covid-19, an expert panel says.
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)
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Using UK Biobank data
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
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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
