![Safety and tolerability of high-dose daily vitamin D3 supplementation in the vitamin D and type 2 diabetes (D2d) study—a randomized trial in persons with prediabetes | European Journal of Clinical Nutrition Safety and tolerability of high-dose daily vitamin D3 supplementation in the vitamin D and type 2 diabetes (D2d) study—a randomized trial in persons with prediabetes | European Journal of Clinical Nutrition](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41430-022-01068-8/MediaObjects/41430_2022_1068_Fig1_HTML.png)
Safety and tolerability of high-dose daily vitamin D3 supplementation in the vitamin D and type 2 diabetes (D2d) study—a randomized trial in persons with prediabetes | European Journal of Clinical Nutrition
![Amazon.com: Elite Vitamin D3 and K2 Supplements - Calcium with Vegan Vitamins D3 Lichen 5000 IU and K2 MK-7 180 Mcg Support Bone Health, Vitamin D Levels, Heart Health, Immune System. 90 Amazon.com: Elite Vitamin D3 and K2 Supplements - Calcium with Vegan Vitamins D3 Lichen 5000 IU and K2 MK-7 180 Mcg Support Bone Health, Vitamin D Levels, Heart Health, Immune System. 90](https://m.media-amazon.com/images/I/41pCgdAEY3L._AC_.jpg)
Amazon.com: Elite Vitamin D3 and K2 Supplements - Calcium with Vegan Vitamins D3 Lichen 5000 IU and K2 MK-7 180 Mcg Support Bone Health, Vitamin D Levels, Heart Health, Immune System. 90
![Frontiers | A Basic Review of the Preliminary Evidence That COVID-19 Risk and Severity Is Increased in Vitamin D Deficiency Frontiers | A Basic Review of the Preliminary Evidence That COVID-19 Risk and Severity Is Increased in Vitamin D Deficiency](https://www.frontiersin.org/files/Articles/561571/fpubh-08-00513-HTML/image_m/fpubh-08-00513-g001.jpg)
Frontiers | A Basic Review of the Preliminary Evidence That COVID-19 Risk and Severity Is Increased in Vitamin D Deficiency
![High-dose vitamin D supplementation in pregnancy and 25(OH)D sufficiency in childhood reduce the risk of fractures and improve bone mineralization in childhood: Follow-up of a randomized clinical trial - eClinicalMedicine High-dose vitamin D supplementation in pregnancy and 25(OH)D sufficiency in childhood reduce the risk of fractures and improve bone mineralization in childhood: Follow-up of a randomized clinical trial - eClinicalMedicine](https://www.thelancet.com/cms/attachment/e3a57040-996b-4a52-a76f-9a04884cb240/gr2_lrg.jpg)
High-dose vitamin D supplementation in pregnancy and 25(OH)D sufficiency in childhood reduce the risk of fractures and improve bone mineralization in childhood: Follow-up of a randomized clinical trial - eClinicalMedicine
High-dose versus standard-dose vitamin D supplementation in older adults with COVID-19 (COVIT-TRIAL): A multicenter, open-label, randomized controlled superiority trial | PLOS Medicine
![Vitamin D: A rapid review of the evidence for treatment or prevention in COVID-19 - The Centre for Evidence-Based Medicine Vitamin D: A rapid review of the evidence for treatment or prevention in COVID-19 - The Centre for Evidence-Based Medicine](https://www.cebm.net/wp-content/uploads/2020/05/Box-2.jpg)
Vitamin D: A rapid review of the evidence for treatment or prevention in COVID-19 - The Centre for Evidence-Based Medicine
![Table 2 from Safety and Efficacy of Weekly 30,000 IU Vitamin D Supplementation as a Slower Loading Dose Administration Compared to a Daily Maintenance Schedule in Deficient Patients: A Randomized, Controlled Clinical Table 2 from Safety and Efficacy of Weekly 30,000 IU Vitamin D Supplementation as a Slower Loading Dose Administration Compared to a Daily Maintenance Schedule in Deficient Patients: A Randomized, Controlled Clinical](https://d3i71xaburhd42.cloudfront.net/036f0bcf0ada8cd263df3ef094c14e91e4e161fd/4-Table2-1.png)
Table 2 from Safety and Efficacy of Weekly 30,000 IU Vitamin D Supplementation as a Slower Loading Dose Administration Compared to a Daily Maintenance Schedule in Deficient Patients: A Randomized, Controlled Clinical
![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/a4c3fa28-e15d-4a2a-9c0b-72b2a7d855fd/rsos201912f01.jpg)
Vitamin D and COVID-19: evidence and recommendations for supplementation | Royal Society Open Science
![Nutrients | Free Full-Text | COVID-19 Mortality Risk Correlates Inversely with Vitamin D3 Status, and a Mortality Rate Close to Zero Could Theoretically Be Achieved at 50 ng/mL 25(OH)D3: Results of a Nutrients | Free Full-Text | COVID-19 Mortality Risk Correlates Inversely with Vitamin D3 Status, and a Mortality Rate Close to Zero Could Theoretically Be Achieved at 50 ng/mL 25(OH)D3: Results of a](https://www.mdpi.com/nutrients/nutrients-13-03596/article_deploy/html/images/nutrients-13-03596-g002.png)
Nutrients | Free Full-Text | COVID-19 Mortality Risk Correlates Inversely with Vitamin D3 Status, and a Mortality Rate Close to Zero Could Theoretically Be Achieved at 50 ng/mL 25(OH)D3: Results of a
![VITAMIN D3 MIRACLE: The Secrets of Safe High Dosage Vitamin D3 and K2 Therapy Guide for Arthritis, Cancer, Muscles Aches, Raynaud's, Weight Loss, and Other Chronic Ailments: Spriggs PharmD, Brenda A.: 9798719182230: VITAMIN D3 MIRACLE: The Secrets of Safe High Dosage Vitamin D3 and K2 Therapy Guide for Arthritis, Cancer, Muscles Aches, Raynaud's, Weight Loss, and Other Chronic Ailments: Spriggs PharmD, Brenda A.: 9798719182230:](https://m.media-amazon.com/images/I/51Wv4BN+ERL._AC_SY780_.jpg)