Low Pth Low Vitamin D

Low Pth Low Vitamin D

Photo Courtesy: Justin Paget/DigitalVision/Getty Images

Vitamin D is important for maintaining a healthy body, primarily because it helps you fully maximize your body's absorption and utilization of calcium, an important mineral that we all need. When paired with calcium, vitamin D helps regulate bone remodeling and growth, ensuring healthy, strong bones. Vitamin D can also help protect older adults from osteoporosis, which occurs due to excess bone loss from aging.

Furthermore, this nutrient boosts your immune system and reduces inflammation within your body, potentially warding off future medical conditions in the process. It also plays a vital role in cell growth, neuromuscular functions and protein encoding. Studies have shown that a regular, healthy vitamin D intake can also serve as an antidepressant and make people feel generally happier. But that's not all you'll want to know about vitamin D.

Vitamin D is naturally found in certain foods and now appears in many more foods that have been fortified with added nutrients. The best sources of naturally occurring vitamin D are oily fish such as salmon, tuna, cod, sardines and mackerel. Fish liver oils are another good source of vitamin D. Small amounts of the nutrient are present in beef liver, cheese, egg yolks and mushrooms.

Photo Courtesy: Alexander Spatari/Moment/Getty Images

Commonly, vitamin D-fortified foods include whole milk, orange juice, margarine and breakfast cereals. It's important to look at the label and nutrition facts to verify that vitamin D is in a particular food you're considering. Because dairy products are often fortified with vitamin D, lactose intolerant or vegan individuals should keep an eye on their diets to ensure they get enough of the vitamin.

Sun exposure is another method of naturally obtaining vitamin D, as our bodies can create their own vitamin D upon exposure to ultraviolet (UV) rays from the sun. However, it's difficult to gauge exactly how much sun exposure can generate sufficient vitamin D, as overexposure can be harmful, too. UV rays are also known to trigger free radicals, which can lead to skin cancer if left unchecked.

It's been suggested that getting approximately 15 minutes of sun exposure between 10 a.m. and 3 p.m. at least twice a week to your face, arms, legs or back will help your body synthesize enough vitamin D. It's important to note that you can't cover the exposed area of your body with sunscreen if you choose to get vitamin D naturally. The SPF blocks UV rays and can hinder your body's ability to create vitamin D. If you're in the shade or behind a window, the rays will not get through. If the climate where you live is primarily cloudy, it's important to get your recommended amount of vitamin D via other means.

Dietary supplements are also an excellent way of obtaining vitamin D. Supplements come in two forms: vitamin D3 (cholecalciferol), which is identical to the form your body makes when exposed to sunlight, and vitamin D2 (ergocalciferol), which differs slightly from D3 in its chemical side-chain structure. There's some evidence that vitamin D3 increases and maintains overall levels slightly better than vitamin D2.

Side Effects of a Vitamin D Deficiency

Vitamin D deficiency occurs when you don't adequately absorb the nutrient or when your kidneys can't convert the nutrient to its active form. This deficiency can result in medical conditions, two of which are called rickets and osteomalacia.

Photo Courtesy: RealPeopleGroup/E+/Getty Images

Rickets, a disease characterized by a failure of bone tissues to get enough minerals, can result in abnormal, soft bones and skeletal deformities. It's most common in children. Fortunately, it isn't permanent, and kids can consume as few as 1 to 3 teaspoons of cod liver oil a day to reverse the condition.

With the help of fortified foods today, rickets is almost obsolete in the United States. Osteomalacia, characterized by soft and weak bones, is usually present in adults. It's commonly treated with an intense regimen of vitamin D replacement under the care of a physician.

Vitamin D and Other Health Conditions

Vitamin D deficiency has been linked to cardiovascular disease, and people with lower levels of vitamin D appear to be at an increased risk of having a heart attack or stroke. However, the exact relationship isn't clear, and there appears to be no benefit to cardiovascular risk in taking a vitamin D supplement.

Photo Courtesy: PixelsEffect/E+/Getty Images

Research is also ongoing to find if there's a link between vitamin D and multiple sclerosis (MS). It appears that vitamin D deficiency is linked to the development of MS, and people with MS and higher levels of vitamin D appear to have reduced disease activity.

Low vitamin D has been linked to an increased risk of contracting respiratory illnesses such as influenza A. It appears that people with low vitamin D levels are at greater risk of severe novel coronavirus (COVID-19) infection. It's not clear yet if routine vitamin D supplementation would reduce this risk.

Because vitamin D is a fat-soluble substance, it can stay in your body for several days. Thus, vitamin D poisoning is possible if you supplement too much vitamin D over a period of a few months. Symptoms of vitamin D overdose include dehydration, vomiting, decreased appetite, irritability, constipation and fatigue. If left unaddressed, vitamin D poisoning can lead to anorexia, over-calcification of the bones and internal organs, kidney stones and hypertension (high blood pressure). It's important to note that vitamin D poisoning usually only occurs with excessive intake of dietary supplements. It's highly unlikely to occur as a result of normal dietary intake and sun exposure.

Daily Dosage Recommendations

The recommended dietary allowances for vitamin D vary depending on your age and other health and life circumstances, such as pregnancy. For infants under 12 months, the recommended intake is 400 international units (IU) or 10 micrograms (mcg). For individuals under 70 years old, the recommended intake is 600IU (15mcg). For individuals over 70 years old, the intake increases to 800IU (20mcg).

Photo Courtesy: katleho Seisa/E+/Getty Images

If you have a pre-existing medical condition or other medical concerns, it's best to talk to a healthcare professional about determining your recommended dietary allowance for vitamin D. This way, you can be sure the vitamin doesn't interact negatively with your condition or medication.

Resource Links:

https://medlineplus.gov/vitamind.html

https://ods.od.nih.gov/factsheets/VitaminD-Consumer/

https://www.hsph.harvard.edu/nutritionsource/vitamin-d/

https://medlineplus.gov/druginfo/meds/a620058.html

https://bestpractice.bmj.com/patient-leaflets/en-gb/pdf/3000049/Vitamin%20D%20deficiency.pdf

https://bestpractice.bmj.com/topics/en-gb/641

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/537616/SACN_Vitamin_D_and_Health_report.pdf

https://www.covid19treatmentguidelines.nih.gov/adjunctive-therapy/vitamin-d/

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Low Pth Low Vitamin D

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Is Vitamin D Deficiency Linked To Cancer

Is Vitamin D Deficiency Linked To Cancer

You already know that your body needs vitamin D to build strong and healthy bones—but that's not the only thing the sunshine vitamin has going for it. Vitamin D helps your body absorb calcium (another crucial bone-builder), plays a role in proper cell growth, and even reduces disease-causing inflammation, according to the National Institutes of Health (NIH).

And the truth is, many of us just simply don't get enough vitamin D. In fact, nearly 42 percent of American adults are deficient, according to a 2011 study published in the journal Nutrition Research. Globally, an estimated 1 billion people don't get adequate amounts of vitamin D.

That's because very few foods naturally contain the stuff. It's called the sunshine vitamin for a reason: a majority of the vitamin D your body produces stems from the sun's ultraviolet rays. That can be a problem if you're consistently wearing sunscreen to protect your skin from cancer or if you live in an area that doesn't get much light—say, the northern U.S. in the dead of winter.

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Luckily, your skin still takes in some vitamin D even when you're wearing sunscreen (and certain foods contain more D than others, so it's not impossible to find in your diet). Neglecting your D intake does come with its own risks, like spiking your risk for high blood pressure and diabetes by two and a half times, says Michael Holick, MD, author of The Vitamin D Solution and professor of medicine, physiology and biophysics at Boston University Medical Center. Vitamin D deficiency can also increase your risk of depression, certain cancers, dementia, and several other health problems.

Think you might be dipping low in D? Here are the top five signs of vitamin D deficiency—and exactly how to make sure you get enough.

You're sweating more than usual

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It's often difficult to tell if newborns are deficient in D, but a sweaty forehead is one of the first noticeable symptoms, Dr. Holick says. The same rings true for adults, so if you're "glowing" while your activity level remains steady, your body temp is close to 98.6°, and your environment isn't too crazy hot, you may want to consider talking with your doctor about getting your vitamin D levels tested.

You're noticeably (and unexpectedly) weak

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Being deficient in vitamin D can leave you feeling exhausted, even when you're able to get enough sleep. In fact, research finds that people who are deficient in D notice improvements in their fatigue after they get their levels back up.

What's more, muscle strength isn't just a matter of pumping iron. One study from the University of Tulsa found that athletes who had inadequate levels of vitamin D in their blood couldn't lift as much weight, run as fast, or jump as far or high, potentially because getting enough vitamin can lead to more powerful muscle contractions.

Harvard researchers have also linked vitamin D supplementation with increased muscle control, resulting in 20 percent fewer falls among adults around 60 years old.

You feel depressed

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Many things can make you feel down, but more and more research is linking true depression with a shortage of vitamin D, especially when it comes to seasonal affective disorder, according to one international review of studies.

While scientists are still trying to figure out why the two are linked, the study authors explain that vitamin D may work in the same areas of the brain—and impact the same feel-good hormones, like serotonin and dopamine—as those that affect your mood.

You're battling random aches and pains

Getty Images

"It's often subtle, but some experience aches and pains in the bones, known as osteomalacia," says Holick.

Those who are diagnosed with arthritis or fibromyalgia may actually be shy of enough D, as a deficiency can cause joints and muscles to ache. If your discomfort lasts for several weeks, ask your doctor if a vitamin D deficiency could be the cause and if your treatment program should include the vitamin.

You broke a bone

Getty Images

You stop building bone mass around age 30, and a lack of vitamin D can speed up or worsen osteoporosis, a condition in which your bones become fragile and more prone to fracture, according to research published in The American Journal of Clinical Nutrition.

Foods fortified with vitamin D almost eradicated rickets, a weak bone condition that stems from malnutrition. However, "it's nearly impossible for anyone to satisfy vitamin D needs through diet alone," says Dr. Holick.

How to get enough vitamin D

Getty Images

Because symptoms of vitamin D deficiency can be caused by several different health problems or conditions, it's important to have your blood tested first to make sure you're truly deficient.

You could easily get all the vitamin D you need through sun exposure, but the American Academy of Dermatology strongly affirms that wearing an SPF of 30 or higher is crucial if you want to prevent the development of various skin cancers. Remember, your skin likely still takes in a bit of vitamin D even when you're wearing SPF, says the NIH.

Your first step, then, is to load your diet with as much vitamin D as you can. Certain fish—like salmon, swordfish, sardines, and tuna—will be your best sources, but you can also find vitamin D in eggs, cheese, mushrooms, or fortified orange juice, milk, cereal, or yogurt.

Then, if you're still consistently experiencing several of the symptoms above, talk to your doctor. He or she can test your D levels and prescribe a supplement if necessary. Most adults need at least 600 international units (IUs) of vitamin D per day (800 IUs if you're over 70), according to the NIH. Many other organizations recommend a higher dose, though, so work with your doctor to find an amount that works best for you and your needs.

Additional reporting by Alisa Hrustic

Karla Walsh Karla Walsh is a Des Moines, Iowa-based freelance writer and level one sommelier who balances her love of food and drink with her passion for fitness.

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Is Vitamin D Deficiency Linked To Cancer

Source: https://www.prevention.com/health/a20433909/symptoms-of-vitamin-d-deficiency/

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How To Raise Your Vitamin D Level Naturally

How To Raise Your Vitamin D Level Naturally

How to increase vitamin D is one of the most vital questions patients can ask their doctors. The question is becoming more important as research progresses.

Vitamin D plays an important function in the body to help absorb calcium and phosphorous. Both are needed for healthy, strong bones. The most common problems people may face when their levels of "D" are too low is osteomalacia. This is the softening of the bones, and that in itself can cause nasty symptoms such as pain and weakness. In children, this is known as rickets.

But it has more recently come to light that low levels of vitamin D are also associated with immune systems dysfunctions. Being associated with feeling tired more easily, along with catching coughs and colds regularly. Research is now also showing a connection between D-deficiency and feeling low in mood. Vitamin D receptors have been found in many parts of the brain, including those that are often linked to feelings of depression. ​

Head to the sunshine to increase vitamin D levels!​

Here in Britain we tend to celebrate any moment the sun comes out, and so we should! Our clever bodies can create vitamin D all by themselves when our skin is exposed to enough sunlight. Unfortunately, sufficient sunlight is scarce here in the UK (especially when most of the day is spent indoors) and our bodies might just not get the right amount to create the level of "D's" we need.​

In order to get vitamin D, there is no need to tan the skin (and definitely don't burn that lovely skin!), but expose bare skin to the ultraviolet B (UVB) rays for a period of time. Surprisingly it's actually all about how the sun's rays project onto the earth's atmosphere. During wintertime, the sun rays come in at such an angle that our world's atmosphere blocks most of the UVB rays and little vitamin D will be generated by the body.

Living near the equator (where the sun is often high in the sky with not much of an angle) results in UVB rays reaching the skin more easily, hence the increased vitamin D level production. Skin colour also has an impact. Pale skin makes vitamin D more quickly than darker skin types.

Don't have much sun? Consider a UV light

Lamps have been produced to let off UV-B radiation to help naturally increase vitamin D levels. When skin is exposed to UV-B radiation it mimics what would happen if the skin was exposed to natural sunlight. Safety and exposure to UV-B is a prime concern – it is recommended to spend no longer than 15 minutes under a UV lamp.

Increase vitamin D packed food in your diet

Then there is food that can be added to a diet to increase vitamin D levels. Sources of vitamin D can be found in oily fish, red meat, egg yolks, liver and in some fortified breakfast cereals.

Increasing vitamin D for vegetarians and vegans is harder. The majority of food for increasing vitamin D is found in non-vegan and vegetarian food. A high quality, vegan supplement can help to solve this problem. It's worth noting, not all supplements are made equal. It is worth choosing quality over quantity.

Add in vitamin D-dense mushrooms to your diet

The only vegetarian and vegan natural vitamin D source that can be found is mushrooms.

Similarly to humans, mushrooms can create and increase vitamin D levels on exposure to UV light. Mushrooms produce D2 a form of vitamin D, with humans producing a vitamin D type, D3.

There is importance in the type of mushrooms humans can eat, certain varieties, for example, Maitake mushrooms provide nearly 300% of the RDI per portion.

It's possible to increase vitamin D levels of your mushrooms by putting store-bought mushrooms in sunlight. As mentioned it creates more vitamin D2 on exposure to the UV rays.

So there you have it, a whole bunch of ways to get your D's! Which option(s) are you going to explore?

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How To Raise Your Vitamin D Level Naturally

Source: https://www.proteawellness.com/increase-vitamin-d-quickly/

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How Much Vitamin D Drops For Breastfed Babies

How Much Vitamin D Drops For Breastfed Babies

Photo Courtesy: Justin Paget/DigitalVision/Getty Images

Vitamin D is important for maintaining a healthy body, primarily because it helps you fully maximize your body's absorption and utilization of calcium, an important mineral that we all need. When paired with calcium, vitamin D helps regulate bone remodeling and growth, ensuring healthy, strong bones. Vitamin D can also help protect older adults from osteoporosis, which occurs due to excess bone loss from aging.

Furthermore, this nutrient boosts your immune system and reduces inflammation within your body, potentially warding off future medical conditions in the process. It also plays a vital role in cell growth, neuromuscular functions and protein encoding. Studies have shown that a regular, healthy vitamin D intake can also serve as an antidepressant and make people feel generally happier. But that's not all you'll want to know about vitamin D.

Vitamin D is naturally found in certain foods and now appears in many more foods that have been fortified with added nutrients. The best sources of naturally occurring vitamin D are oily fish such as salmon, tuna, cod, sardines and mackerel. Fish liver oils are another good source of vitamin D. Small amounts of the nutrient are present in beef liver, cheese, egg yolks and mushrooms.

Photo Courtesy: Alexander Spatari/Moment/Getty Images

Commonly, vitamin D-fortified foods include whole milk, orange juice, margarine and breakfast cereals. It's important to look at the label and nutrition facts to verify that vitamin D is in a particular food you're considering. Because dairy products are often fortified with vitamin D, lactose intolerant or vegan individuals should keep an eye on their diets to ensure they get enough of the vitamin.

Sun exposure is another method of naturally obtaining vitamin D, as our bodies can create their own vitamin D upon exposure to ultraviolet (UV) rays from the sun. However, it's difficult to gauge exactly how much sun exposure can generate sufficient vitamin D, as overexposure can be harmful, too. UV rays are also known to trigger free radicals, which can lead to skin cancer if left unchecked.

It's been suggested that getting approximately 15 minutes of sun exposure between 10 a.m. and 3 p.m. at least twice a week to your face, arms, legs or back will help your body synthesize enough vitamin D. It's important to note that you can't cover the exposed area of your body with sunscreen if you choose to get vitamin D naturally. The SPF blocks UV rays and can hinder your body's ability to create vitamin D. If you're in the shade or behind a window, the rays will not get through. If the climate where you live is primarily cloudy, it's important to get your recommended amount of vitamin D via other means.

Dietary supplements are also an excellent way of obtaining vitamin D. Supplements come in two forms: vitamin D3 (cholecalciferol), which is identical to the form your body makes when exposed to sunlight, and vitamin D2 (ergocalciferol), which differs slightly from D3 in its chemical side-chain structure. There's some evidence that vitamin D3 increases and maintains overall levels slightly better than vitamin D2.

Side Effects of a Vitamin D Deficiency

Vitamin D deficiency occurs when you don't adequately absorb the nutrient or when your kidneys can't convert the nutrient to its active form. This deficiency can result in medical conditions, two of which are called rickets and osteomalacia.

Photo Courtesy: RealPeopleGroup/E+/Getty Images

Rickets, a disease characterized by a failure of bone tissues to get enough minerals, can result in abnormal, soft bones and skeletal deformities. It's most common in children. Fortunately, it isn't permanent, and kids can consume as few as 1 to 3 teaspoons of cod liver oil a day to reverse the condition.

With the help of fortified foods today, rickets is almost obsolete in the United States. Osteomalacia, characterized by soft and weak bones, is usually present in adults. It's commonly treated with an intense regimen of vitamin D replacement under the care of a physician.

Vitamin D and Other Health Conditions

Vitamin D deficiency has been linked to cardiovascular disease, and people with lower levels of vitamin D appear to be at an increased risk of having a heart attack or stroke. However, the exact relationship isn't clear, and there appears to be no benefit to cardiovascular risk in taking a vitamin D supplement.

Photo Courtesy: PixelsEffect/E+/Getty Images

Research is also ongoing to find if there's a link between vitamin D and multiple sclerosis (MS). It appears that vitamin D deficiency is linked to the development of MS, and people with MS and higher levels of vitamin D appear to have reduced disease activity.

Low vitamin D has been linked to an increased risk of contracting respiratory illnesses such as influenza A. It appears that people with low vitamin D levels are at greater risk of severe novel coronavirus (COVID-19) infection. It's not clear yet if routine vitamin D supplementation would reduce this risk.

Because vitamin D is a fat-soluble substance, it can stay in your body for several days. Thus, vitamin D poisoning is possible if you supplement too much vitamin D over a period of a few months. Symptoms of vitamin D overdose include dehydration, vomiting, decreased appetite, irritability, constipation and fatigue. If left unaddressed, vitamin D poisoning can lead to anorexia, over-calcification of the bones and internal organs, kidney stones and hypertension (high blood pressure). It's important to note that vitamin D poisoning usually only occurs with excessive intake of dietary supplements. It's highly unlikely to occur as a result of normal dietary intake and sun exposure.

Daily Dosage Recommendations

The recommended dietary allowances for vitamin D vary depending on your age and other health and life circumstances, such as pregnancy. For infants under 12 months, the recommended intake is 400 international units (IU) or 10 micrograms (mcg). For individuals under 70 years old, the recommended intake is 600IU (15mcg). For individuals over 70 years old, the intake increases to 800IU (20mcg).

Photo Courtesy: katleho Seisa/E+/Getty Images

If you have a pre-existing medical condition or other medical concerns, it's best to talk to a healthcare professional about determining your recommended dietary allowance for vitamin D. This way, you can be sure the vitamin doesn't interact negatively with your condition or medication.

Resource Links:

https://medlineplus.gov/vitamind.html

https://ods.od.nih.gov/factsheets/VitaminD-Consumer/

https://www.hsph.harvard.edu/nutritionsource/vitamin-d/

https://medlineplus.gov/druginfo/meds/a620058.html

https://bestpractice.bmj.com/patient-leaflets/en-gb/pdf/3000049/Vitamin%20D%20deficiency.pdf

https://bestpractice.bmj.com/topics/en-gb/641

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/537616/SACN_Vitamin_D_and_Health_report.pdf

https://www.covid19treatmentguidelines.nih.gov/adjunctive-therapy/vitamin-d/

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How Do You Increase Vitamin D

How Do You Increase Vitamin D

Vitamin D is essential for healthy bones. In the UK we get most of our vitamin D from sunlight exposure from around late March/early April to the end of September. Find out how to get enough without risking sun damage.

We need vitamin D to help the body absorb calcium and phosphate from our diet. These minerals are important for healthy bones, teeth and muscles.

A lack of vitamin D, known as vitamin D deficiency, can cause bones to become soft and weak, which can lead to bone deformities.

In children, for example, a lack of vitamin D can lead to rickets. In adults, it can lead to osteomalacia, which causes bone pain and tenderness.

How do we get vitamin D?

Our body creates vitamin D from direct sunlight on our skin when we're outdoors. From about late March/early April to the end of September, most people should be able to get all the vitamin D we need from sunlight.

We also get some vitamin D from a small number of foods, including oily fish such as salmon, mackerel, herring and sardines, as well as red meat and eggs.

Vitamin D is also added to all infant formula milk, as well as some breakfast cereals, fat spreads and non-dairy milk alternatives.

The amounts added to these products can vary and may only be added in small amounts. Manufacturers must add vitamin D to infant formula milk by law.

Another source of vitamin D is dietary supplements.

How long should we spend in the sun?

Most people can make enough vitamin D from being out in the sun daily for short periods with their forearms, hands or lower legs uncovered and without sunscreen from late March or early April to the end of September, especially from 11am to 3pm.

It's not known exactly how much time is needed in the sun to make enough vitamin D to meet the body's requirements.

This is because there are a number of factors that can affect how vitamin D is made, such as your skin colour or how much skin you have exposed.

But you should be careful not to burn in the sun, so take care to cover up or protect your skin with sunscreen before your skin starts to turn red or burn.

People with dark skin, such as those of African, African-Caribbean or south Asian origin, will need to spend longer in the sun to produce the same amount of vitamin D as someone with lighter skin.

How long it takes for your skin to go red or burn varies from person to person. Cancer Research UK has tips to help you protect your skin in the sun.

Your body can't make vitamin D if you're sitting indoors by a sunny window because ultraviolet B (UVB) rays (the ones your body needs to make vitamin D) can't get through the glass.

The longer you stay in the sun, especially for prolonged periods without sun protection, the greater your risk of skin cancer.

If you plan to be out in the sun for long, cover up with suitable clothing, wrap-around sunglasses, seeking shade and applying at least SPF15 sunscreen.

Winter sunlight

In the UK, sunlight doesn't contain enough UVB radiation in winter (October to early March) for our skin to be able to make vitamin D.

During these months, we rely on getting our vitamin D from food sources (including fortified foods) and supplements.

Using sunbeds isn't a recommended way of making vitamin D.

Babies and children

Children aged under 6 months should be kept out of direct strong sunlight.

From March to October in the UK, children should:

• cover up with suitable clothing, including wearing a hat and wraparound sunglasses
• spend time in the shade (particularly from 11am to 3pm)
• wear at least SPF15 sunscreen

To ensure they get enough vitamin D, babies and children aged under 5 years should be given vitamin D supplements even if they do get out in the sun.

Find out about vitamin D supplements for children

Who should take vitamin D supplements?

Some groups of the population are at greater risk of not getting enough vitamin D.

The Department of Health recommends that these people should take daily vitamin D supplements to make sure they get enough.

These groups are:

• all babies from birth to 1 year old (including breastfed babies and formula-fed babies who have less than 500ml a day of infant formula)
• all children aged 1 to 4 years old
• people who aren't often exposed to the sun (for example, people who are frail or housebound, or are in an institution such as a care home, or if they usually wear clothes that cover up most of their skin when outdoors)

For the rest of the population, everyone over the age of 5 years (including pregnant and breastfeeding women) is advised to consider taking a daily supplement containing 10 micrograms (μg) of vitamin D.

But the majority of people aged 5 years and above will probably get enough vitamin D from sunlight in the summer (late March/early April to the end of September), so you might choose not to take a vitamin D supplement during these months.

Find out who should take vitamin D supplements and how much to take

You can get vitamin supplements containing vitamin D free of charge if you're pregnant or breastfeeding, or have a child under 4 years of age and qualify for the Healthy Start scheme.

You can also buy single vitamin supplements or vitamin drops containing vitamin D for babies and young children at most pharmacies and larger supermarkets.

Speak to your pharmacist, GP or health visitor if you're unsure whether you need to take a vitamin D supplement or don't know what supplements to take.

Can you have too much vitamin D?

If you choose to take vitamin D supplements, 10μg a day will be enough for most people.

People who take supplements are advised not to take more than 100μg of vitamin D a day, as it could be harmful (100 micrograms is equal to 0.1 milligrams).

This applies to adults, including pregnant and breastfeeding women and the elderly, and children aged 11 to 17.

Children aged 1 to 10 shouldn't have more than 50μg a day. Babies under 12 months shouldn't have more than 25μg a day.

Some people have medical conditions that mean they may not be able to take as much vitamin D safely.

If in doubt, you should talk to your doctor. If your doctor has recommended you take a different amount of vitamin D, you should follow their advice.

The amount of vitamin D contained in supplements is sometimes expressed in international units (IU), where 40 IU is equal to 1 microgram (1µg) of vitamin D.

There's no risk of your body making too much vitamin D from sun exposure, but always remember to cover up or protect your skin before the time it takes you to start turning red or burn.

Page last reviewed: 31 August 2018
Next review due: 31 August 2021

How Do You Increase Vitamin D

Source: https://www.nhs.uk/live-well/healthy-body/how-to-get-vitamin-d-from-sunlight/

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For Vitamin D How Much Sun

For Vitamin D How Much Sun

Vitamin D is essential for healthy bones. In the UK we get most of our vitamin D from sunlight exposure from around late March/early April to the end of September. Find out how to get enough without risking sun damage.

We need vitamin D to help the body absorb calcium and phosphate from our diet. These minerals are important for healthy bones, teeth and muscles.

A lack of vitamin D, known as vitamin D deficiency, can cause bones to become soft and weak, which can lead to bone deformities.

In children, for example, a lack of vitamin D can lead to rickets. In adults, it can lead to osteomalacia, which causes bone pain and tenderness.

How do we get vitamin D?

Our body creates vitamin D from direct sunlight on our skin when we're outdoors. From about late March/early April to the end of September, most people should be able to get all the vitamin D we need from sunlight.

We also get some vitamin D from a small number of foods, including oily fish such as salmon, mackerel, herring and sardines, as well as red meat and eggs.

Vitamin D is also added to all infant formula milk, as well as some breakfast cereals, fat spreads and non-dairy milk alternatives.

The amounts added to these products can vary and may only be added in small amounts. Manufacturers must add vitamin D to infant formula milk by law.

Another source of vitamin D is dietary supplements.

How long should we spend in the sun?

Most people can make enough vitamin D from being out in the sun daily for short periods with their forearms, hands or lower legs uncovered and without sunscreen from late March or early April to the end of September, especially from 11am to 3pm.

It's not known exactly how much time is needed in the sun to make enough vitamin D to meet the body's requirements.

This is because there are a number of factors that can affect how vitamin D is made, such as your skin colour or how much skin you have exposed.

But you should be careful not to burn in the sun, so take care to cover up or protect your skin with sunscreen before your skin starts to turn red or burn.

People with dark skin, such as those of African, African-Caribbean or south Asian origin, will need to spend longer in the sun to produce the same amount of vitamin D as someone with lighter skin.

How long it takes for your skin to go red or burn varies from person to person. Cancer Research UK has tips to help you protect your skin in the sun.

Your body can't make vitamin D if you're sitting indoors by a sunny window because ultraviolet B (UVB) rays (the ones your body needs to make vitamin D) can't get through the glass.

The longer you stay in the sun, especially for prolonged periods without sun protection, the greater your risk of skin cancer.

If you plan to be out in the sun for long, cover up with suitable clothing, wrap-around sunglasses, seeking shade and applying at least SPF15 sunscreen.

Winter sunlight

In the UK, sunlight doesn't contain enough UVB radiation in winter (October to early March) for our skin to be able to make vitamin D.

During these months, we rely on getting our vitamin D from food sources (including fortified foods) and supplements.

Using sunbeds isn't a recommended way of making vitamin D.

Babies and children

Children aged under 6 months should be kept out of direct strong sunlight.

From March to October in the UK, children should:

• cover up with suitable clothing, including wearing a hat and wraparound sunglasses
• spend time in the shade (particularly from 11am to 3pm)
• wear at least SPF15 sunscreen

To ensure they get enough vitamin D, babies and children aged under 5 years should be given vitamin D supplements even if they do get out in the sun.

Find out about vitamin D supplements for children

Who should take vitamin D supplements?

Some groups of the population are at greater risk of not getting enough vitamin D.

The Department of Health recommends that these people should take daily vitamin D supplements to make sure they get enough.

These groups are:

• all babies from birth to 1 year old (including breastfed babies and formula-fed babies who have less than 500ml a day of infant formula)
• all children aged 1 to 4 years old
• people who aren't often exposed to the sun (for example, people who are frail or housebound, or are in an institution such as a care home, or if they usually wear clothes that cover up most of their skin when outdoors)

For the rest of the population, everyone over the age of 5 years (including pregnant and breastfeeding women) is advised to consider taking a daily supplement containing 10 micrograms (μg) of vitamin D.

But the majority of people aged 5 years and above will probably get enough vitamin D from sunlight in the summer (late March/early April to the end of September), so you might choose not to take a vitamin D supplement during these months.

Find out who should take vitamin D supplements and how much to take

You can get vitamin supplements containing vitamin D free of charge if you're pregnant or breastfeeding, or have a child under 4 years of age and qualify for the Healthy Start scheme.

You can also buy single vitamin supplements or vitamin drops containing vitamin D for babies and young children at most pharmacies and larger supermarkets.

Speak to your pharmacist, GP or health visitor if you're unsure whether you need to take a vitamin D supplement or don't know what supplements to take.

Can you have too much vitamin D?

If you choose to take vitamin D supplements, 10μg a day will be enough for most people.

People who take supplements are advised not to take more than 100μg of vitamin D a day, as it could be harmful (100 micrograms is equal to 0.1 milligrams).

This applies to adults, including pregnant and breastfeeding women and the elderly, and children aged 11 to 17.

Children aged 1 to 10 shouldn't have more than 50μg a day. Babies under 12 months shouldn't have more than 25μg a day.

Some people have medical conditions that mean they may not be able to take as much vitamin D safely.

If in doubt, you should talk to your doctor. If your doctor has recommended you take a different amount of vitamin D, you should follow their advice.

The amount of vitamin D contained in supplements is sometimes expressed in international units (IU), where 40 IU is equal to 1 microgram (1µg) of vitamin D.

There's no risk of your body making too much vitamin D from sun exposure, but always remember to cover up or protect your skin before the time it takes you to start turning red or burn.

Page last reviewed: 31 August 2018
Next review due: 31 August 2021

For Vitamin D How Much Sun

Source: https://www.nhs.uk/live-well/healthy-body/how-to-get-vitamin-d-from-sunlight/

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Deficiencia Vitamina D 25 Hidroxi Sintomas

Deficiencia Vitamina D 25 Hidroxi Sintomas

Photo Courtesy: Justin Paget/DigitalVision/Getty Images

Vitamin D is important for maintaining a healthy body, primarily because it helps you fully maximize your body's absorption and utilization of calcium, an important mineral that we all need. When paired with calcium, vitamin D helps regulate bone remodeling and growth, ensuring healthy, strong bones. Vitamin D can also help protect older adults from osteoporosis, which occurs due to excess bone loss from aging.

Furthermore, this nutrient boosts your immune system and reduces inflammation within your body, potentially warding off future medical conditions in the process. It also plays a vital role in cell growth, neuromuscular functions and protein encoding. Studies have shown that a regular, healthy vitamin D intake can also serve as an antidepressant and make people feel generally happier. But that's not all you'll want to know about vitamin D.

Vitamin D is naturally found in certain foods and now appears in many more foods that have been fortified with added nutrients. The best sources of naturally occurring vitamin D are oily fish such as salmon, tuna, cod, sardines and mackerel. Fish liver oils are another good source of vitamin D. Small amounts of the nutrient are present in beef liver, cheese, egg yolks and mushrooms.

Photo Courtesy: Alexander Spatari/Moment/Getty Images

Commonly, vitamin D-fortified foods include whole milk, orange juice, margarine and breakfast cereals. It's important to look at the label and nutrition facts to verify that vitamin D is in a particular food you're considering. Because dairy products are often fortified with vitamin D, lactose intolerant or vegan individuals should keep an eye on their diets to ensure they get enough of the vitamin.

Sun exposure is another method of naturally obtaining vitamin D, as our bodies can create their own vitamin D upon exposure to ultraviolet (UV) rays from the sun. However, it's difficult to gauge exactly how much sun exposure can generate sufficient vitamin D, as overexposure can be harmful, too. UV rays are also known to trigger free radicals, which can lead to skin cancer if left unchecked.

It's been suggested that getting approximately 15 minutes of sun exposure between 10 a.m. and 3 p.m. at least twice a week to your face, arms, legs or back will help your body synthesize enough vitamin D. It's important to note that you can't cover the exposed area of your body with sunscreen if you choose to get vitamin D naturally. The SPF blocks UV rays and can hinder your body's ability to create vitamin D. If you're in the shade or behind a window, the rays will not get through. If the climate where you live is primarily cloudy, it's important to get your recommended amount of vitamin D via other means.

Dietary supplements are also an excellent way of obtaining vitamin D. Supplements come in two forms: vitamin D3 (cholecalciferol), which is identical to the form your body makes when exposed to sunlight, and vitamin D2 (ergocalciferol), which differs slightly from D3 in its chemical side-chain structure. There's some evidence that vitamin D3 increases and maintains overall levels slightly better than vitamin D2.

Side Effects of a Vitamin D Deficiency

Vitamin D deficiency occurs when you don't adequately absorb the nutrient or when your kidneys can't convert the nutrient to its active form. This deficiency can result in medical conditions, two of which are called rickets and osteomalacia.

Photo Courtesy: RealPeopleGroup/E+/Getty Images

Rickets, a disease characterized by a failure of bone tissues to get enough minerals, can result in abnormal, soft bones and skeletal deformities. It's most common in children. Fortunately, it isn't permanent, and kids can consume as few as 1 to 3 teaspoons of cod liver oil a day to reverse the condition.

With the help of fortified foods today, rickets is almost obsolete in the United States. Osteomalacia, characterized by soft and weak bones, is usually present in adults. It's commonly treated with an intense regimen of vitamin D replacement under the care of a physician.

Vitamin D and Other Health Conditions

Vitamin D deficiency has been linked to cardiovascular disease, and people with lower levels of vitamin D appear to be at an increased risk of having a heart attack or stroke. However, the exact relationship isn't clear, and there appears to be no benefit to cardiovascular risk in taking a vitamin D supplement.

Photo Courtesy: PixelsEffect/E+/Getty Images

Research is also ongoing to find if there's a link between vitamin D and multiple sclerosis (MS). It appears that vitamin D deficiency is linked to the development of MS, and people with MS and higher levels of vitamin D appear to have reduced disease activity.

Low vitamin D has been linked to an increased risk of contracting respiratory illnesses such as influenza A. It appears that people with low vitamin D levels are at greater risk of severe novel coronavirus (COVID-19) infection. It's not clear yet if routine vitamin D supplementation would reduce this risk.

Because vitamin D is a fat-soluble substance, it can stay in your body for several days. Thus, vitamin D poisoning is possible if you supplement too much vitamin D over a period of a few months. Symptoms of vitamin D overdose include dehydration, vomiting, decreased appetite, irritability, constipation and fatigue. If left unaddressed, vitamin D poisoning can lead to anorexia, over-calcification of the bones and internal organs, kidney stones and hypertension (high blood pressure). It's important to note that vitamin D poisoning usually only occurs with excessive intake of dietary supplements. It's highly unlikely to occur as a result of normal dietary intake and sun exposure.

Daily Dosage Recommendations

The recommended dietary allowances for vitamin D vary depending on your age and other health and life circumstances, such as pregnancy. For infants under 12 months, the recommended intake is 400 international units (IU) or 10 micrograms (mcg). For individuals under 70 years old, the recommended intake is 600IU (15mcg). For individuals over 70 years old, the intake increases to 800IU (20mcg).

Photo Courtesy: katleho Seisa/E+/Getty Images

If you have a pre-existing medical condition or other medical concerns, it's best to talk to a healthcare professional about determining your recommended dietary allowance for vitamin D. This way, you can be sure the vitamin doesn't interact negatively with your condition or medication.

Resource Links:

https://medlineplus.gov/vitamind.html

https://ods.od.nih.gov/factsheets/VitaminD-Consumer/

https://www.hsph.harvard.edu/nutritionsource/vitamin-d/

https://medlineplus.gov/druginfo/meds/a620058.html

https://bestpractice.bmj.com/patient-leaflets/en-gb/pdf/3000049/Vitamin%20D%20deficiency.pdf

https://bestpractice.bmj.com/topics/en-gb/641

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/537616/SACN_Vitamin_D_and_Health_report.pdf

https://www.covid19treatmentguidelines.nih.gov/adjunctive-therapy/vitamin-d/

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