![The national health program for vitamin D supplementation in a developing country - Clinical Nutrition ESPEN The national health program for vitamin D supplementation in a developing country - Clinical Nutrition ESPEN](https://clinicalnutritionespen.com/cms/asset/dbf857ab-8438-4b0f-b508-4cd9d7dd2d82/gr2.jpg)
The national health program for vitamin D supplementation in a developing country - Clinical Nutrition ESPEN
![Schwartz JB et al. 2016; Response of vitamin D concentration to vitamin D3 administration in older adults without sun exposure: A randomized double-blind trial; J. Am. Geriatr. Soc. 64(1):65-72 - HEYL Schwartz JB et al. 2016; Response of vitamin D concentration to vitamin D3 administration in older adults without sun exposure: A randomized double-blind trial; J. Am. Geriatr. Soc. 64(1):65-72 - HEYL](https://www.heyl-berlin.de/img_upload/Vit-d-04034-625x405.jpg)
Schwartz JB et al. 2016; Response of vitamin D concentration to vitamin D3 administration in older adults without sun exposure: A randomized double-blind trial; J. Am. Geriatr. Soc. 64(1):65-72 - HEYL
![The health effects of vitamin D supplementation: evidence from human studies | Nature Reviews Endocrinology The health effects of vitamin D supplementation: evidence from human studies | Nature Reviews Endocrinology](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41574-021-00593-z/MediaObjects/41574_2021_593_Fig1_HTML.png)
The health effects of vitamin D supplementation: evidence from human studies | Nature Reviews Endocrinology
![Recommended intakes for vitamin D in adult and elderly population, and... | Download Scientific Diagram Recommended intakes for vitamin D in adult and elderly population, and... | Download Scientific Diagram](https://www.researchgate.net/publication/309168138/figure/tbl3/AS:614100166012932@1523424297704/Recommended-intakes-for-vitamin-D-in-adult-and-elderly-population-and-in-pregnant-and.png)