Vitamin D3 plays a vital role in the body, helping to absorb calcium and maintain bone health. It supports the immune system, enhances immunity, and can lower blood pressure and blood lipids, thus reducing the risk of cardiovascular disease. Additionally, it aids the nervous system and may alleviate emotional issues such as anxiety. Sources include sunlight, certain foods like fatty fish and eggs, and supplements. In regions north of 37 degrees latitude, a deficiency in Vitamin D3 is common during winter, making supplementation necessary for some.
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