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 - Uses, Side Effects, And More - WebMD Vitamin D supplements are commonly used to treat and prevent vitamin D deficiency, for weak and brittle bones, cavities, psoriasis, and hay fever
Vitamin D3: Benefits, Uses, Side Effects, and More - Health Vitamin D is considered safe when taken in appropriate, recommended dosages To ensure you are taking an appropriate dose, follow the instructions provided by a doctor and on the supplement label
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