![Nutrients | Free Full-Text | Safety Data in Patients with Autoimmune Diseases during Treatment with High Doses of Vitamin D3 According to the “Coimbra Protocol” Nutrients | Free Full-Text | Safety Data in Patients with Autoimmune Diseases during Treatment with High Doses of Vitamin D3 According to the “Coimbra Protocol”](https://pub.mdpi-res.com/nutrients/nutrients-14-01575/article_deploy/html/images/nutrients-14-01575-ag.png?1649665986)
Nutrients | Free Full-Text | Safety Data in Patients with Autoimmune Diseases during Treatment with High Doses of Vitamin D3 According to the “Coimbra Protocol”
10,000 IU vitamin D daily is safe, toxicity start at 150 ng (for monotherapy)– Jan 2013 | VitaminDWiki
![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/m685/springer-static/image/art%3A10.1038%2Fs41430-022-01068-8/MediaObjects/41430_2022_1068_Fig1_HTML.png)