![]() ![]() Children without adequate vitamin D are more susceptible to developing rickets, a disease characterized by deformation of bones and teeth. Vitamin D deficiency can lead to serious effects. ![]() Vitamin D3 also reduces the risk of falls and bone fractures. ![]() Vitamin D also affects parathyroid hormone, which regulates bone turnover and release of calcium from bone. ![]() Vitamin D helps strengthen bones and teeth by improving the absorption of calcium and phosphorus from the small intestine. Vitamin D is best known for its role in the development and maintenance of healthy teeth, bones, and cartilage. However, individuals would have to consume these foods almost daily to meet their vitamin D needs via food sources. Some food sources of vitamin D3 include cod liver oil, salmon, and tuna. Vitamin D3, cholecalciferol, is the preferable form as it has better bioavailability and efficacy. Vitamin D2, ergocalciferol, is derived from fortified milk, herring, mackerel, tuna, salmon, sardines, eggs, fortified cereals, and baked goods. Vitamins D exists in two forms, D2 and D3. Wearing sunscreen also inhibits vitamin D3 absorption. They’re likely only exposing their hands and face to sunlight as well, which dramatically reduces the body’s ability to produce vitamin D from sunlight. Individuals are at a greater risk of vitamin D3 deficiency during the winter, as they tend to spend more time indoors. Sun exposure for just 15 minutes daily can provide 2,000 to 5,000 IU of vitamin D. Vitamin D formed in this manner is called "natural vitamin D" or vitamin D3. Vitamin D is known as the "sunshine vitamin" because the skin can produce it photochemically from sunlight or ultraviolet light. It is an essential vitamin and one of 24 critical micronutrients the body needs to survive. It is a seco-steroid hormone that regulates calcium homeostasis and balance within the body. Vitamin D3, otherwise known as cholecalciferol, is a pro-hormone and fat-soluble nutrient produced in the skin. ![]()
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