![Preventing vitamin D deficiency during the COVID-19 pandemic: UK definitions of vitamin D sufficiency and recommended supplement dose are set too low | RCP Journals Preventing vitamin D deficiency during the COVID-19 pandemic: UK definitions of vitamin D sufficiency and recommended supplement dose are set too low | RCP Journals](https://www.rcpjournals.org/content/clinmedicine/21/1/e48/F1.large.jpg)
Preventing vitamin D deficiency during the COVID-19 pandemic: UK definitions of vitamin D sufficiency and recommended supplement dose are set too low | RCP Journals
![Vitamin D and COVID-19: evidence and recommendations for supplementation | Royal Society Open Science Vitamin D and COVID-19: evidence and recommendations for supplementation | Royal Society Open Science](https://royalsocietypublishing.org/cms/asset/cb213f2c-ef44-43d8-9373-688fd08fe3cf/rsos201912f01.gif)
Vitamin D and COVID-19: evidence and recommendations for supplementation | Royal Society Open Science
![Frontiers | Difference in Serum Levels of Vitamin D Between Canalolithiasis and Cupulolithiasis of the Horizontal Semicircular Canal in Benign Paroxysmal Positional Vertigo Frontiers | Difference in Serum Levels of Vitamin D Between Canalolithiasis and Cupulolithiasis of the Horizontal Semicircular Canal in Benign Paroxysmal Positional Vertigo](https://www.frontiersin.org/files/Articles/440844/fneur-10-00176-HTML/image_m/fneur-10-00176-t003.jpg)
Frontiers | Difference in Serum Levels of Vitamin D Between Canalolithiasis and Cupulolithiasis of the Horizontal Semicircular Canal in Benign Paroxysmal Positional Vertigo
![Vitamin D serum level in major depressive disorder and schizophrenia | Middle East Current Psychiatry | Full Text Vitamin D serum level in major depressive disorder and schizophrenia | Middle East Current Psychiatry | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs43045-020-00043-y/MediaObjects/43045_2020_43_Fig1_HTML.png)
Vitamin D serum level in major depressive disorder and schizophrenia | Middle East Current Psychiatry | Full Text
![Association of serum vitamin D status with dietary intake and sun exposure in adults - Clinical Nutrition ESPEN Association of serum vitamin D status with dietary intake and sun exposure in adults - Clinical Nutrition ESPEN](https://clinicalnutritionespen.com/cms/attachment/b150891a-9eb1-4089-b40d-b2906df77cd9/gr1_lrg.jpg)
Association of serum vitamin D status with dietary intake and sun exposure in adults - Clinical Nutrition ESPEN
![Effect and mechanism of vitamin D activation disorder on liver fibrosis in biliary atresia | Scientific Reports Effect and mechanism of vitamin D activation disorder on liver fibrosis in biliary atresia | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-021-99158-3/MediaObjects/41598_2021_99158_Fig1_HTML.png)
Effect and mechanism of vitamin D activation disorder on liver fibrosis in biliary atresia | Scientific Reports
![Different levels of serum vitamin D3 in infants and mothers Vitamin D... | Download Scientific Diagram Different levels of serum vitamin D3 in infants and mothers Vitamin D... | Download Scientific Diagram](https://www.researchgate.net/publication/343733178/figure/tbl1/AS:926081087451137@1597806345902/Different-levels-of-serum-vitamin-D3-in-infants-and-mothers-Vitamin-D-Range-Frequency.png)
Different levels of serum vitamin D3 in infants and mothers Vitamin D... | Download Scientific Diagram
![Nutrients | Free Full-Text | Moderate Amounts of Vitamin D3 in Supplements are Effective in Raising Serum 25-Hydroxyvitamin D from Low Baseline Levels in Adults: A Systematic Review Nutrients | Free Full-Text | Moderate Amounts of Vitamin D3 in Supplements are Effective in Raising Serum 25-Hydroxyvitamin D from Low Baseline Levels in Adults: A Systematic Review](https://www.mdpi.com/nutrients/nutrients-07-02311/article_deploy/html/images/nutrients-07-02311-g001.png)