what is vitamin d range?
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Tests for Vitamin D Deficiency The most accurate way to measure how much vitamin D is in your body is the 25-hydroxy vitamin D blood test. A level of 20 nanograms/milliliter to 50 ng/mL is considered adequate for healthy people. A level less than 12 ng/mL indicates vitamin D deficiency.
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Vitamin D is an essential nutrient that many people around the world don't get enough of. That said, you can boost your vitamin D levels by getting more sun exposure, eating foods rich in vitamin D, and/or taking supplements.
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In persons with vitamin D deficiency, treatment may include oral ergocalciferol (vitamin D2) at 50,000 IU per week for eight weeks. After vitamin D levels normalize, experts recommend maintenance dosages of cholecalciferol (vitamin D3) at 800 to 1,000 IU per day from dietary and supplemental sources.
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That same year, the Endocrine Society guideline on the treatment and prevention of vitamin D deficiency agreed with this 20 ng/ml level. But the guideline classified levels from 21 to 29 ng/ml as “insufficient” and recommended that people aim for a level of 30 ng/mL or higher.
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Vitamin D intake is recommended at 400–800 IU/day, or 10–20 micrograms. However, some studies suggest that a higher daily intake of 1000–4000 IU (25–100 micrograms) is needed to maintain optimal blood levels.
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However, 1,000 to 2,000 IU per day of vitamin D from a supplement is generally safe, should help people achieve an adequate blood level of vitamin D, and may have additional health benefits.
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Normal values are 75-100 nmol/L (30-40 ng/ml). Vitamin D deficiency is defined if serum hydroxyvitamin D levels are less than 50nmol/L (20 ng/ml), insufficiency as 50-75 nmol/L (20-30 ng/ml). Studies demonstrate that vitamin D is essential also for overall health and well-being.
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A vitamin D blood test measures the level of 25(OH)D in your blood. Abnormal levels of vitamin D can indicate bone disorders, nutrition problems, organ damage, or other medical conditions. Other names: 25-hydroxyvitamin D, 25(OH)D.
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This test measures the level of vitamin D in the blood. Two forms of vitamin D can be measured in the blood, 25-hydroxyvitamin D and 1,25-dihydroxyvitamin D. The 25-hydroxyvitamin D is the major form found in the blood and is the relatively inactive precursor to the active hormone, 1,25-dihydroxyvitamin D.
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The 25-Hydroxy Vitamin D test is a blood test to help you measure your vitamin D levels. Also known as the 25-OH Vitamin D test and the calcidiol 25-hydroxycholecalcifoerol test.
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25-hydroxyvitamin D (25(OH)D) is the major circulating form of vitamin D; thus, the total serum 25(OH)D level is currently considered the best indicator of vitamin D supply to the body from cutaneous synthesis and nutritional intake.
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Although 4,000 IU (250 mcg) is set as the maximum amount of vitamin D you can take safely, several studies have shown that taking up to 10,000 IU (250 mcg) daily won't cause side effects ( 37 , 38 ). That said, taking more than 4,000 IU may provide no extra benefit.
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What kind of vitamin D is best? The recommended form of vitamin D is vitamin D3 or cholecalciferol. This is the natural form of vitamin D that your body makes from sunlight. Supplements are made from the fat of lambs' wool.
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This guideline recommends a minimum vitamin D level of 20 ng/mL, but to guarantee sufficiency they recommend between 30 and 50 ng/mL for both children and adults. In contrast, the Vitamin D Council states that even levels between 30 and 40 ng/mL are still not quite sufficient.
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The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for ages 1 to 70 years, and 800 IU for people over 70 years.
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Vitamin D is a hormone the kidneys produce that controls blood calcium concentration and impacts the immune system. It is also known as calcitriol, ergocalciferol, calcidiol and cholecalciferol. Of those, calcidiol is the form doctors most commonly focus on when measuring vitamin D levels in the blood.
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The amount of vitamin D in milk whole milk (fortified): 98 IU, 24% of the DV. 2% milk (fortified): 105 IU, 26% of the DV. 1% milk (fortified): 98 IU, 25% of the DV. nonfat milk (fortified): 100 IU, 25% of the DV.