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)
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
![High versus Moderate Dosage of Daily and Weekly Administration of Vitamin D Supplements in the Form of Oil Drop in Nursing Home Residents. | Semantic Scholar High versus Moderate Dosage of Daily and Weekly Administration of Vitamin D Supplements in the Form of Oil Drop in Nursing Home Residents. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/401b56333697250c87aba3705821573e6692adf6/2-TableI-1.png)