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  • 8 Best Vitamin D Supplements for 2025 - Healthline
    Vitamin D is essential for bone health, muscle development, and more Here are the best supplements on the market, according to our dietitians
  • Vitamin D - Mayo Clinic
    A simple blood test can check the levels of this vitamin in your blood Taking a vitamin D supplement or a multivitamin with vitamin D may help improve bone health The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years
  • Vitamin D deficiency in adults: Definition, clinical . . .
    Overt vitamin D deficiency, characterized by hypocalcemia and or hypophosphatemia and rickets and osteomalacia in children and osteomalacia in adults, is now uncommon in most developed countries (see "Epidemiology and etiology of osteomalacia" and "Clinical manifestations, diagnosis, and treatment of osteomalacia in adults")
  • Vitamin D: Overview, Uses, Side Effects, Precautions . . . - WebMD
    Vitamin D supplements are commonly used to treat and prevent vitamin D deficiency, for weak and brittle bones, cavities, psoriasis, and hay fever




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