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Source: Dietary Supplements  Oct 28, 2020  3 years, 5 months, 3 weeks, 6 hours, 47 minutes ago

Dietary Supplements: Imperial College London Study Shows That High Vitamin A, E, And D Intake Linked To Lesser Respiratory Issues In Adults

Dietary Supplements: Imperial College London Study Shows That High Vitamin A, E, And D Intake Linked To Lesser Respiratory Issues In Adults
Source: Dietary Supplements  Oct 28, 2020  3 years, 5 months, 3 weeks, 6 hours, 47 minutes ago
Dietary Supplements: A study led by researchers from Imperial College London, NNEdPro Global Centre for Nutrition and Health-Cambridge, London School of Hygiene & Tropical Medicine and Nagasaki University-Japan have found that high vitamin A, E, and D intake may be linked to fewer respiratory complaints in adults. The study involved analysis of nationally representative long term survey data, spanning over 8 years.


 
Overall, the study findings showed that respiratory complaints were found in 33 of the 6115 adult patients in the study aged 19 years and above. After adjustment for potential confounders, a negative association was observed between the intake of vitamin A and E intake from diet and supplements and respiratory complaints. For vitamin D, intake from supplements, but not diet, was inversely significantly associated with respiratory complaints. No association between vitamin C and respiratory complaints was observed.
 
The study team concluded that intake of vitamin A and E from diet and supplements, and vitamin D from supplements, show strong evidence of association with lower self-reported prevalence of respiratory complaints in a nationally representative sample of UK adults.
 
The study findings were published in the journal: BMJ Nutrition Prevention & Health. https://nutrition.bmj.com/content/early/2020/10/05/bmjnph-2020-000150
 
It has long been assumed that nutrition has a key role in cutting the risk of several infections, although exactly how it boosts immunity is complex and not fully understood. https://pubmed.ncbi.nlm.nih.gov/15763225/
https://pubmed.ncbi.nlm.nih.gov/15454909/
https://www.mdpi.com/2072-6643/12/4/1181
 
Vitamins A, E, C and D have already been deemed to aid the normal functioning of the immune system in the European Union, and the American Nutrition Association suggests these vitamins may also help stave off respiratory infections. https://nutrition.bmj.com/content/3/1/74
https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000980.pub4/abstract
https://www.bmj.com/content/356/bmj.i6583
https://theana.org/covid-19
https://nutrition.bmj.com/content/3/1/106
 
The study team wanted to explore whether the intake of these vitamins from both diet an