how much vitamin d do you need to take?
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Mayo Clinic recommends that adults get at least the RDA of 600 IU. 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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Getting into a habit of taking your Vitamin D with a healthy breakfast is a good start. However, there's little evidence whether taking Vitamin D3 at night or in the morning is more effective. If you're not a morning person or you skip breakfast, taking your supplement in the evening with a meal is good.
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But research on the nutrient has gone back and forth, she added. “If you have a significant deficiency, the recommended approach currently is to use 50,000 IU of vitamin D once a week for six to eight weeks, then remeasure levels, to try to boost those values back up a little more quickly,” LaSalle said.
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We suggest that all adults who are vitamin D deficient be treated with 50,000 IU of vitamin D3 once a week for eight weeks or its equivalent of 6,000 IU of vitamin D3 daily to achieve a blood level of 25(OH)D above 30 ng/mL, followed by maintenance therapy of 1,500-2,000 IU/day.
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Given that your body doesn't care whether it's taking more vitamin D2 or less vitamin D3—as long as it's within the recommended dose—either type could be perfectly fine if you're taking it for general health.
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The normal range of vitamin D is measured as nanograms per milliliter (ng/mL). Many experts recommend a level between 20 and 40 ng/mL. Others recommend a level between 30 and 50 ng/mL.
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The average prenatal vitamin only contains 400 IU of vitamin D, so additional supplementation should be taken daily.
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Simply adding an over-the-counter vitamin D supplement can make improvements in just three to four months' time. Vitamin D with a strength of 2000 international units daily is the recommended dose for most adults. However, you'll want to chat with your doctor to find what's right for you.
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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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Not necessarily. The Vitamin D Council places the ideal level between 40 and 80 ng/mL with levels below 20 ng/mL as deficient. The Endocrine Society has a Clinical Practice Guideline on the evaluation, treatment, and prevention of vitamin D deficiency.
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At extremely high doses, vitamin A can be fatal ( 17 ). People are advised to avoid exceeding the upper limit for intake, which is 10,000 IU (900 mcg) per day for adults. Higher amounts, or 300,000 IU (900 mg), may cause acute hypervitaminosis A in adults.
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Calcium is a crucial building block of bone tissue. Vitamin D helps the body absorb and process calcium. Together, these two nutrients are the cornerstone of healthy bones. The Institute of Medicine recommends 1,000 mg of calcium a day for most adults and 1,200 mg/day for women after menopause and men after 70.
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According to most standards, sufficient values for vitamin D are between 30 and 60 ng/mL. For those with chronic conditions like diabetes, autoimmune disease, or cancer, it's not unusual for a provider to target a vitamin D level higher than the typical sufficient range.
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Highlights. Vitamin D is vital for babies growth and development* 400 IU of pure vitamin D3 in just one liquid drop, offering an easy alternative to large eye droppers. Just one drop per day on mother's breast before feeding, added to a bottle, or on a clean surface, such as a clean fingertip.
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Patients should have a 25-OH vitamin D test yearly from September through March, around the same time they get their fasting lipid level. Fasting is not necessary to obtain a vitamin D level; however, getting blood tests at the same time makes sense, reducing the burden of time on the patient.
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Vitamin D According to BreastCancer.org, research suggests that certain cancers such as breast cancer, can have a higher risk of occurring when the body has low levels of vitamin D. The recommended daily amount of vitamin D is 15 mcg.
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Better Absorbed With Meals For this reason, it's recommended to take vitamin D supplements with a meal to enhance absorption. According to one study in 17 people, taking vitamin D with the largest meal of the day increased vitamin D blood levels by about 50% after just 2–3 months ( 7 ).