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21 Δεκ 2023 · Learn what vitamin D levels are considered normal, low, or high, and how to measure them with blood tests. Find out the benefits, sources, and risks of vitamin D, and when to contact a doctor.
Learn about vitamin D sources, intakes, status, deficiency, and health effects from this comprehensive fact sheet by the Office of Dietary Supplements. See the table of serum 25 (OH)D concentrations and health outcomes, and the challenges of measuring vitamin D status.
Learn about vitamin D deficiency, a common problem that affects bone and muscle health. Find out how to diagnose, treat and prevent it with diet, supplements and sun exposure.
Average daily vitamin D intake in the population at large and current dietary reference intake values are often inadequate to maintain optimal vitamin D levels. Clinicians may recommend supplementation but be unsure how to choose the optimal dose and type of vitamin D and how to use testing to monitor therapy.
Abstract. Nowadays, in modern societies, many people can be at high risk to have low vitamin D levels. Therefore, testing of serum 25-hydroxy-vitamin D (25OH-D) levels should be performed before prescribing them vitamin D supplementation.
3 Ιουν 2024 · This web page provides clinical guidelines for the use of vitamin D to lower the risk of disease in individuals without established indications for vitamin D treatment or 25 (OH)D testing. It does not include a vitamin D levels chart or a specific recommendation for optimal vitamin D intake and serum 25 (OH)D concentrations.
10 Αυγ 2023 · Learn about vitamin D, a nutrient that helps build and maintain healthy bones and regulate many cellular functions. Find out how much vitamin D you need, where to get it, and what happens if you have too much or too little.
