Archives: Articles
Vitamin D physiology
Date of Publication: 2006
Vitamin D is recognized to be critical in several physiologic functions. Therefore more attention should be given to supplementation and normal level maintaince.
Sorting Out Whether Vitamin D Deficiency Raises COVID-19 Risk
Date of Publication: January 2021
Regardless of whether vitamin D protects against COVID-19, adequate levels are important for bone health.
“Avoiding vitamin D deficiency is always a goal,” Ross wrote. “If the diet doesn’t include vitamin D fortified milk or natural products like fish, then a supplement of the RDA [recommended dietary allowance] amount (600-1000 IU per day) provides good assurance. I consider this a ‘good idea,’ but I don’t want to leave the impression that diet cannot be sufficient.”
Association of Vitamin D Status and Other Clinical Characteristics With COVID-19 Test Results
Date of Publication: 2020
In this single-center, retrospective cohort study, likely deficient vitamin D status was associated with increased COVID-19 risk, a finding that suggests that randomized trials may be needed to determine whether vitamin D affects COVID-19 risk.
Vitamin D Supplementation Associated to Better Survival in Hospitalized Frail Elderly COVID-19
Date of Publication: 2020
A regular bolus of vitamin D supplementation was associated with less severe COVID-19 and better survival in frail elderly. It is therefore recommended that the patient take the supplements.
Association Between Vitamin D and Novel Sars-CoV-2 Respiratory Dysfunction – A Scoping Review of Current Evidence and Its Implication for COVID-19 Pandemic
Date of Publication: 2020
Vitamin D deficiency may cause immune dysfunction. Therefore Novel_Sars-viruses have an easier time causing respiratory injury.
Short term, high-dose vitamin D supplementation for COVID-19 disease: a randomised, placebo-controlled, study (SHADE study)
Date of Publication: 2020
“A greater proportion of vitamin D-deficient individuals with SARS-CoV-2 infection turned SARS-CoV-2 RNA negative with a significant decrease in fibrinogen on high-dose cholecalciferol supplementation.”
An estimate of the global reduction in mortality rates through doubling vitamin D levels
Date of Publication: 2011
Increasing serum 25(OH)D levels is the most cost-effective way to reduce global mortality rates, as the cost of vitamin D is very low and there are few adverse effects from oral intake and/or frequent moderate UVB irradiance with sufficient body surface area exposed.
Rationale and Plan for Vitamin D Food Fortification: A Review and Guidance Paper
Date of Publication: 2018
Given the widespread prevalence of vitamin D deficiency, it may be beneficial to incorporate vitamin D in food sources.
Does vitamin D deficiency increase the severity of COVID-19?
Date of Publication: 2020
to paraphrase the authors:
“If vitamin D does, in fact, reduce the severity of COVID-19 then supplements would offer a relatively easy option to decrease the impact of the pandemic.”
Exploring links between vitamin D deficiency and COVID-19
Date of Publication: September 2020
Vitamin D deficiency increases susceptibility and the severity of COVID-19 infection. Therefore supplementation is critical.
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