how many times a week should you take vitamin d?
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Oral vitamin D3 can be taken once a day but also with longer intervals because of its long half life, being around 25 days. It is not known whether equivalent doses once a week or once a month are equally effective.
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For children 1-18 years of age who are vitamin D deficient, we suggest treatment with 2,000 IU/d of vitamin D3 for at least six weeks or with 50,000 IU once a week for at least six weeks to achieve a blood level of 25(OH)D above 30 ng/mL, followed by maintenance therapy of 600-1,000 IU/day.
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Taking vitamin D with a meal can enhance its absorption and increase blood levels more efficiently. However, there's limited research on whether taking it at night or in the morning may be more effective.
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Currently, different recommendations exist. The Institute of Medicine has placed the recommended dietary allowance, or RDA, for vitamin D at 600 international units (IU) per day for young adults and 800 IU per day for adults older than 70. Other experts suggest that adults' vitamin D needs are much higher.
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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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Most multivitamins should be taken once or twice a day. Make sure to read the label and follow the recommended dosage instructions.
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Getting the right vitamins But the sun isn't all bad. Just 10–15 minutes of daily exposure helps manufacture vitamin D throughout the skin. Vitamin D is one of the best vitamins for your skin, along with vitamins C, E, and K. Making sure you get enough vitamins can keep your skin looking healthy and youthful.
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The best time to soak yourself in the sun to get the maximum vitamin D is between 10 am to 3 pm. At this time, the UVB rays are intense and it is also said that the body is more efficient in making vitamin D at this time.
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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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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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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 ).
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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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Continue giving your baby vitamin D until you wean your baby and he or she drinks 32 ounces (about 1 liter) a day of vitamin D-fortified formula or, after age 12 months, whole cow's milk.
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A: There are two different forms of vitamin D: D2 (ergocalciferol) and D3 (cholecalciferol). The prescription-strength vitamin D is ergocalciferol (Drisdol) and comes in a dose of 50,000 international units (IU), which is usually taken once a week.
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To reduce the SGPT level, diet modifications are needed. Your daily diet should consist of at least one fruit containing vitamin D. Alternatively, you can simply stand out in the sunlight for at least 20 minutes per day to get vitamin D. Couple it with some exercises that will help you stay healthy.
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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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Another study found that 30 minutes of midday summer sun exposure in Oslo, Norway was equivalent to consuming 10,000–20,000 IU of vitamin D ( 8 ). The commonly recommended daily dose of vitamin D is 600 IU (15 mcg) (3).