scholarly journals Assessment of vitamin status in patients with nontuberculous mycobacterial pulmonary disease: Potential role of vitamin A as a risk factor

2019 ◽  
Vol 493 ◽  
pp. S635
Author(s):  
J. Oh ◽  
H. Park ◽  
S. Kim ◽  
W. Koh ◽  
S. Lee
Keyword(s):  
Risk Factor ◽  
Vitamin A ◽  
Pulmonary Disease ◽  
Potential Role ◽  
Vitamin Status

scholarly journals Potential Role of Vitamins and Zinc on Acute Respiratory Infections Including Covid-19

2021 ◽  
Vol 8 ◽  
pp. 2333794X2110217
Author(s):  
Indah K. Murni ◽  
Endy P. Prawirohartono ◽  
Rina Triasih
Keyword(s):  
Vitamin A ◽  
Vitamin C ◽  
Large Dose ◽  
Common Cold ◽  
Potential Role ◽  
Respiratory Infections ◽  
Acute Respiratory Infections ◽  
Under Five ◽  
Short Period

Background. Vitamin C, E, D, A, zinc are considered to be essential in preventing and treating of acute respiratory infections (ARI) including COVID-19. Methods. We reviewed published studies evaluating the potential roles of these vitamin and zinc for ARIs and COVID-19 using Medline database, medRxiv, and bibliographic references. Results. Vitamins C, D, and E did not reduce incidence of common cold in general, but vitamin C reduced by half in population with physical and environment stresses. Vitamins C and E shortened duration and reduced severity of common cold. A large-dose vitamin A had no effect on recovery from pneumonia. Zinc improved clinical deterioration and pneumonia duration in under five. The effect on preventing COVID-19 morbidity and related-death was lacking. Conclusions. Although the effects of vitamins and zinc on ARIs including COVID-19 were inconclusive, taking these for a short period during pandemic may be beneficial when there is risks of deficiency.

scholarly journals The Potential Influence of Vitamin A, C, and D and Zinc Supplements on the Severity of COVID-19 Symptoms and Clinical Outcomes: An Updated Review of Literature

2020 ◽  
Vol 8 (3) ◽  
pp. 703-714
Author(s):  
Abeer Salman Alzaben
Keyword(s):  
Mortality Rate ◽  
Vitamin A ◽  
Clinical Outcomes ◽  
Potential Role ◽  
Randomized Clinical Trials ◽  
Respiratory Infections ◽  
Specific Treatment ◽  
Zinc Supplements ◽  
Different Doses

Coronavirus disease-19 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 is an ongoing viral epidemic that originated in China in December 2019. To date, no specific treatment is available for COVID-19. However, several studies have reported the benefits of vitamins A, C, and D and zinc in critically ill patients and in those with various infections, including respiratory infections and sepsis. The objective of this review is to discuss the potential role of vitamin A, C, and D and zinc supplementation in enhancing immune response, and reducing the severity of symptoms, and mortality rate in patients with COVID-19. Several clinical studies have shown that different doses of vitamins A, C, and D and/or zinc supplements reduce the ventilator, length of intensive care unit stay, and mortality rate. Future randomized clinical trials are warranted to conclusively establish protocols for the optimal doses of vitamin A, C, and D, as well as zinc supplements for improved clinical outcomes in patients with COVID-19.

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