![Vitamin D3 4000 IU - 400 Tablets - High Strength 100 mcg Vitamin D Tablets, Vegetarian, 13 Month Supply, Easy to Swallow Micro Tablets, Immune System, Bone and Muscle Function Support : Vitamin D3 4000 IU - 400 Tablets - High Strength 100 mcg Vitamin D Tablets, Vegetarian, 13 Month Supply, Easy to Swallow Micro Tablets, Immune System, Bone and Muscle Function Support :](https://m.media-amazon.com/images/I/71BcVfl5DkL.jpg)
Vitamin D3 4000 IU - 400 Tablets - High Strength 100 mcg Vitamin D Tablets, Vegetarian, 13 Month Supply, Easy to Swallow Micro Tablets, Immune System, Bone and Muscle Function Support :
![Unexpected actions of vitamin D: new perspectives on the regulation of innate and adaptive immunity | Nature Reviews Endocrinology Unexpected actions of vitamin D: new perspectives on the regulation of innate and adaptive immunity | Nature Reviews Endocrinology](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fncpendmet0716/MediaObjects/41574_2008_Article_BFncpendmet0716_Fig1_HTML.jpg)
Unexpected actions of vitamin D: new perspectives on the regulation of innate and adaptive immunity | Nature Reviews Endocrinology
![Vitamin effects on the immune system: vitamins A and D take centre stage | Nature Reviews Immunology Vitamin effects on the immune system: vitamins A and D take centre stage | Nature Reviews Immunology](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fnri2378/MediaObjects/41577_2008_Article_BFnri2378_Fig1_HTML.jpg)
Vitamin effects on the immune system: vitamins A and D take centre stage | Nature Reviews Immunology
![Exploring vitamin D and how it activates immune system tolerance | News | CORDIS | European Commission Exploring vitamin D and how it activates immune system tolerance | News | CORDIS | European Commission](https://cordis.europa.eu/docs/news/images/2022-01/435628.jpg)
Exploring vitamin D and how it activates immune system tolerance | News | CORDIS | European Commission
![Vitamin D, Immune System & SARS-CoV-2 (COVID-19) | Mechanism of Vit D Immune Regulation & Overview - YouTube Vitamin D, Immune System & SARS-CoV-2 (COVID-19) | Mechanism of Vit D Immune Regulation & Overview - YouTube](https://i.ytimg.com/vi/zd_oGkGJr04/maxresdefault.jpg)
Vitamin D, Immune System & SARS-CoV-2 (COVID-19) | Mechanism of Vit D Immune Regulation & Overview - YouTube
![Modulation of the immune system by UV radiation: more than just the effects of vitamin D? | Nature Reviews Immunology Modulation of the immune system by UV radiation: more than just the effects of vitamin D? | Nature Reviews Immunology](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fnri3045/MediaObjects/41577_2011_Article_BFnri3045_Fig1_HTML.jpg)
Modulation of the immune system by UV radiation: more than just the effects of vitamin D? | Nature Reviews Immunology
![The importance of vitamin d metabolism as a potential prophylactic, immunoregulatory and neuroprotective treatment for COVID-19 | Journal of Translational Medicine | Full Text The importance of vitamin d metabolism as a potential prophylactic, immunoregulatory and neuroprotective treatment for COVID-19 | Journal of Translational Medicine | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12967-020-02488-5/MediaObjects/12967_2020_2488_Fig2_HTML.png)
The importance of vitamin d metabolism as a potential prophylactic, immunoregulatory and neuroprotective treatment for COVID-19 | Journal of Translational Medicine | Full Text
![Vitamin effects on the immune system: vitamins A and D take centre stage | Nature Reviews Immunology Vitamin effects on the immune system: vitamins A and D take centre stage | Nature Reviews Immunology](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fnri2378/MediaObjects/41577_2008_Article_BFnri2378_Fig2_HTML.jpg)
Vitamin effects on the immune system: vitamins A and D take centre stage | Nature Reviews Immunology
![Nutrients | Free Full-Text | Vitamin D Effects on the Immune System from Periconception through Pregnancy Nutrients | Free Full-Text | Vitamin D Effects on the Immune System from Periconception through Pregnancy](https://www.mdpi.com/nutrients/nutrients-12-01432/article_deploy/html/images/nutrients-12-01432-g001.png)
Nutrients | Free Full-Text | Vitamin D Effects on the Immune System from Periconception through Pregnancy
![Vitamin D, the immune system, and its relationship with diseases | Egyptian Pediatric Association Gazette | Full Text Vitamin D, the immune system, and its relationship with diseases | Egyptian Pediatric Association Gazette | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs43054-022-00135-w/MediaObjects/43054_2022_135_Fig2_HTML.png)
Vitamin D, the immune system, and its relationship with diseases | Egyptian Pediatric Association Gazette | Full Text
![Vitamin D regulation of the immune system and its implications for COVID-19: A mini review - Linda Bui, Zahra Zhu, Stephanie Hawkins, Alonso Cortez-Resendiz, Alfredo Bellon, 2021 Vitamin D regulation of the immune system and its implications for COVID-19: A mini review - Linda Bui, Zahra Zhu, Stephanie Hawkins, Alonso Cortez-Resendiz, Alfredo Bellon, 2021](https://journals.sagepub.com/cms/10.1177/20503121211014073/asset/images/large/10.1177_20503121211014073-fig1.jpeg)