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Author: Admin | 2025-04-28
Vitamin D is essential for immune system function and bone health. It may also influence mood regulation and reduce the risk of several chronic health conditions, but more research is needed to better understand these links. Vitamin D is a fat-soluble vitamin that has two primary forms: vitamin D2 (ergocalciferol), found in plants, and vitamin D3 (cholecalciferol), found in animal tissues. The body produces vitamin D when exposed to sunlight, but it may also be acquired through foods and supplements.In the United States, the Food and Drug Administration (FDA) does not regulate supplements the way it regulates prescription drugs. That means some supplement products may not contain what the label says. When choosing a supplement, look for independently tested products and consult a healthcare provider, registered dietitian nutritionist (RD or RDN), or pharmacist. Grace Cary / Getty Images Benefits Vitamin D has several important functions in the body, including:Bone and teeth health: Vitamin D helps the body retain and absorb calcium and phosphorus, which are important for building and maintaining healthy bones and teeth. Vitamin D deficiency may lead to decreased bone density, which can cause osteoporosis and broken bones.Nerve function: Nerves need vitamin D to carry messages between the brain and other parts of the body.Immune health: The body's immune system needs vitamin D to fight off viruses.Mood regulation: Studies have shown that vitamin D may affect a person's mental health by reducing negative emotions. Researchers have found that individuals with major depressive disorder and vitamin D deficiency are most likely to benefit from supplementation.Disease prevention: While more research is needed, several studies link vitamin D deficiency to several health conditions, including diabetes, some types of cancer, hypertension (high blood pressure), and multiple sclerosis.Weight management: Some studies have found a link between obesity and low levels of vitamin D. However, more research is needed to clarify what role the nutrient plays in weight.Does Vitamin D Give You Energy?Vitamin D deficiency can cause tiredness. Studies have shown that vitamin D supplementation may improve fatigue in otherwise healthy individuals with a vitamin D deficiency. Signs of Low Vitamin D Vitamin D
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