is there a prescription vitamin d?
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Do I need a prescription for vitamin D-oral? Vitamin D2 and D3 50000 IU are available with a prescription. Vitamin D2 and D3 400 – 5000 IU are available over-the-counter (OTC).
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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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Supplements. Vitamin D supplements come as tablets, capsules or drops. Their strength is measured in both micrograms (µg or mcg) and International Units (IU). Look for those that provide vitamin D3 (cholecalciferol) rather than vitamin D2 (ergocalciferol).
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Vitamin D helps with strong bones and may help prevent some cancers. Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression. To get enough D, look to certain foods, supplements, and carefully planned sunlight.
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The short answer is from food, the sun or supplements. There are two main kinds of vitamin D—vitamin D2 and vitamin D3—which you can get from (and occur naturally in) certain foods like salmon, tuna, mackerel and beef liver and egg yolks.
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There are two main kinds of vitamin D—D2 (ergocalciferol) and D3 (cholecalciferol). D2 is found in plant foods, including fungi like mushrooms and yeasts. D3 is only available in animal foods, and it's the type of vitamin D your body makes on its own when it's exposed to UV light.
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Foods that provide vitamin D include: Fatty fish, like tuna, mackerel, and salmon. Foods fortified with vitamin D, like some dairy products, orange juice, soy milk, and cereals. Beef liver. Cheese.
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Having either too little or too much vitamin D can cause health problems. Current evidence suggests that taking a supplement of 1000 IU of vitamin D a day may help reduce your risk of cancer with the least chance of harm.
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It is necessary to note that the term vitamin D refers to any compound with the biological activity of 1,25-dihydroxyvitamin D and encompasses both vitamin D3 (cholecalciferol, typical of animal life) and ergocalciferol (vitamin D2, typical of vegetal life).
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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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Both types are good for bone health. Vitamin D supplements can be taken with or without food and the full amount can be taken at one time. While your body needs vitamin D to absorb calcium, you do not need to take vitamin D at the same time as a calcium supplement.
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Vitamin D2 and D3 are both widely used vitamin D supplements but are not the same. Vitamin D2 is ergocalciferol and comes from plant-based sources. Vitamin D3 is cholecalciferol and comes from animal-based sources.
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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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Uses. Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus.
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Prenatal vitamins are available over-the-counter in nearly any pharmacy. Your health care provider might recommend a specific brand or leave the choice up to you. Beyond checking for folic acid and iron, look for a prenatal vitamin that contains calcium and vitamin D.
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Your doctor can order a blood test to measure your levels of vitamin D. There are two types of tests that might be ordered, but the most common is the 25-hydroxyvitamin D, known as 25(OH)D for short. For the blood test, a technician will use a needle to take blood from a vein.
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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.