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Frequently Asked Questions

What are sources for vitamin D?

Frequently asked questions about menopause
Sources of vitamin D include outdoor activities, vitamin supplements (A/D), cod oil, fish with high fat content (e.g. salmon, eel, tuna), eggs, butter and dairy products (e.g. milk, cheese, yoghurt).
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What About Vitamin D?

FAQ For Vegetrial World
Preformed vitamin D is not needed by the body, it can be synthesized by exposure to sunshine of dehydrocholesterol present in the skin. Vitamin D created this way lasts in the body for many months such that it is possible to "top-up" one's vitamin D levels over the summer for the coming winter. Excess consumption of pre- formed Vitamin D can be dangerous. The Vitamin D in cow's milk is artificially added.
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Quiz: How Much Do You Know About Vitamin D?

Frequently Asked Questions :: Diabetes Self-Management
Test your knowledge about Vitamin D, which has been in the news as a preventive for a number of health conditions.
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FAQ about veganism
Vitamin D supplementation is not necessary in a vegan diet because the body synthesizes it through exposure to sunlight. Many foods are also fortified with vitamin D. Vitamin D is crucial for calcium absorption, so it is an important part of the diet. If vegans do supplement their diets with vitamin D, they should look for vitamin D2 supplements, which are more likely to be vegan than are vitamin D3 supplements, which may be derived from fish or wool (lanolin).
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Where does Vitamin D come from?

Bronze Age Tanning&Salon | Olympia, WA | Frequently Aske...
The body's main source (80-100%) of Vitamin D is UV Light from the sun. The brain produces more of the mood-lifting chemical serotonin on sunny days than cloudy days. Indoor tanning provides a level of control that cannot be obtained outdoors. You are 80% less likely to sunburn outdoors if you've already built up a base tan.
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Calcium, Osteoporosis, Vitamin D, Chocolate Health ? FAQ Ado...
Vitamin D is necessary for calcium absorption and bone development. It also helps maintain adequate blood levels of calcium & phosphorus. A deficiency in vitamin D can cause rickets, bone loss and osteoporosis. Numerous reports have touted vitamin D as a “miracle” nutrient because of its role in preventing some cancers, autoimmune diseases (particularly MS), and even type 1 diabetes.
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What about reports that pets may be suffering from Vitamin D overdose?

ASPCA: Pet Food Recall FAQ
The ASPCA’s Animal Poison Control Center (APCC) has an extensive amount of data on the effects of Vitamin D overdose in pets, and believes this is completely unrelated to the current crisis. Vitamin D3, or ‘cholecalciferol,’ is sold commercially as a rodenticide in the United States. If animals consume significant doses, their blood calcium and phosphorus levels increase significantly.
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What's the connection between UV light and Vitamin D production?

Carefree Tan Troon
Sunlight exposure (exposure to UV light) is your body's main source for Vitamin D - an essential vitamin for bone formation and repair, absorption of calcium and phosphorus and general good health. In many climates, the small amount of sunlight available from November to March makes it impossible to process Vitamin D naturally through outdoor sun exposure.
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How can I get tested for Vitamin D ?

MS-Diet - FAQ [Directly related to Ashton Embry's Best Bet D...
Before considering supplementation with vitamin D, it would be wise to have your vitamin D level tested. It is very important that your physician order the correct test. The advantage of having your medical doctor perform the test is that it will usually be covered by your medical insurance. There are two vitamin D tests: 1,25(OH)D and 25(OH)D. 25(OH)D is the better marker of overall D status. It is this marker that is most strongly associated with overall health.
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Is vitamin D added to your cheeses?

Vermont Butter & Cheese Company: Frequently Asked Questi...
We don’t add vitamins to our products; however vitamin D is naturally present in the milk. Products such as butter, cheese, yogurt, eggs and fish are the richest sources of vitamin D. Vitamin D is needed for the absorption of calcium and the prevention of osteoporosis.
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Calcium, Osteoporosis, Vitamin D, Chocolate Health ? FAQ Ado...
This is a question that is under much debate in the medical community today. Research has suggested that previous recommendations are far too low and as previously mentioned, there is a re-emerging risk of vitamin D deficiency in the U.S.
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Barefoot Super D3 - Frequently Asked Questions
Our skin can actually make it from the sun’s ultraviolet rays, but for us, living in Canada, particularly in the winter when we have limited sun exposure, and even in the summer when we are often covered with sunscreen, we may not be getting our required amount. In fact, reports show that in Canada, the UV light is too weak to make vitamin D from late fall through early spring.
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DO THE LIGHTS STIMULATE VITAMIN D PRODUCTION? IS THAT THE KEY TO THE ANTIDEPRESSANT EFFECT?

CET - Center for Environmental Therapeutics
They should not do so using an ultraviolet-screened light box, as recommended. Small amounts of outdoor light (with UV) stimulate adequate skin production of Vitamin D, although less so in winter in the north. If Vitamin D is an issue, supplement capsules are a solution. Unlike Vitamin D production, light therapy works through the eyes, not the skin.
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Why doesn't EZorb Calcium contain Vitamin D or magnesium?

Ezorb Calcium for Bone spurs, osteophytes, back pain, spinal...
Traditional calcium supplements are hardly absorbed in the pH medium of the small intestine. With the help of Vitamin D, their absorption rate is slightly higher. Taking traditional calcium supplements also suppress your body's ability to absorb magnesium. In the pH environment of the small intestine, inorganic minerals tend to attach themselves to one another and form magma precipitation. Once precipitated, the minerals become nonabsorbable.
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How does the skin make vitamin D and what limits its production?

Bronze Age Tanning&Salon | Olympia, WA | Frequently Aske...
Sun or UV light is the fuel that permits the body to manufacture vitamin D. But the amount of vitamin D formed in a given period of exposure depends on the color of your skin-that is, how rich your skin is in melanin. Melanin absorbs UV radiation. Therefore it diminishes the production of vitamin D. The darker a person's skin, the longer he or she has to be in the sun or exposed to UVB radiation to form a significant amount of vitamin D.
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Why is whole milk low in vitamin D?

Organic Valley | Milk
The vitamin D content of natural milk can be low due to several factors. The factors include the breed of the animal, the animal's exposure to sunlight, the animal's diet, and it's lactation. Season of the year is also a factor.
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FAQ's
Vitamin A is considered completely safe up to 10,000 international Units per day. Vitamin D is considered completely safe up to 800 IU's per day. These dosages represent 200% of the published recommended daily values. This depends on where you live, the time of day exposed, and the type of clothes worn. Vitamin D is too important to risk deficiency. Be sure your child supplements with 200 to 400 IU's daily.
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What is the source of Vitamin A and Vitamin D in milk?

Welcome to Dairyland, Your Fresh Ideas Dairy
Both vitamins A and D are from a synthetic source (non-animal): Vitamin A is from lemon grass oil and Vitamin D is derived from lanolin extracted from sheep's wool. It is Federal Government legislation that these vitamins are added to milk. These vitamins help promote bone and tooth development; vitamin A promotes good night vision and maintains the health of the skin and membranes.
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Why is Vitamin D important in preventing osteoporosis?

Osteoporosis FAQ
Vitamin D can be thought of as the "key" that unlocks the door to the body to let calcium in. Without Vitamin D, your body can’t use calcium very well, even if you get enough calcium in your diet. The exact optimal daily dose of Vitamin D has not been determined, but most experts recommend that you get 400-800 IU of Vitamin D each day. Less than 400 IU per day will keep you from getting full benefit from the calcium in your diet. More than 800 IU per day may be harmful.
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Is vitamin D deficiency a problem in America?

Calcium, Osteoporosis, Vitamin D, Chocolate Health ? FAQ Ado...
the turn of the century, vitamin D deficiency led to an epidemic of rickets (softening of the bones) in U.S. urban centers. We solved the vitamin D deficiency largely through the fortification of foods. However, this fortification proved to be too much as peanut butter, hot dogs, soda, bread, and even beer were fortified with vitamin D. Excessive amounts of vitamin D also were added to some milk products, causing toxic amounts of vitamin D to reach infants and young children.
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Where does the vitamin D in Adora come from?

Calcium, Osteoporosis, Vitamin D, Chocolate Health ? FAQ Ado...
The vitamin D in Adora Calcium is D2 (ergocalciferol) which is derived from yeast. We chose this form of the vitamin because it is vegetarian. While some studies have shown that vitamin D3 is the more “active” form of the vitamin, most D3 comes from fish or lanolin (from sheep), which are not acceptable for many vegetarians. The body makes D3 from exposure to the sun, and can also convert D2 to D3 in the body. There is currently 100 IU of vitamin D2 in every Adora calcium disk.
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What is the best way to help the body produce the activated form of vitamin D?

Bronze Age Tanning&Salon | Olympia, WA | Frequently Aske...
Moderate exposure to sunlight is the only way to help the body manufacture the vitamin D it needs. While eating salmon or mackerel and drinking fortified milk or juices is a step in the right direction, it is practically impossible to consume enough of these products each day to obtain the required amount of vitamin D through diet alone.
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How much Vitamin D is in the milk?

Welcome to Dairyland, Your Fresh Ideas Dairy
Dairyland Skim, 1%, 2% and Homo milks are fortified with not more than 400 international units of Vitamin D per litre, as required by Canada's Food & Drug Regulations.
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Why is there no Vitamin D in BioCalth?

Frequently asked questions - BioCalth UK Ltd
Vitamin D is typically used in combination with calcium to help with uptake, however due to the relatively high absorption of BioCalth Vitamin D is not necessary.
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