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Which Type Of Vitamin D Is Best

Designs For Healths Liposomal Vitamin D Supreme

What Type Of Vitamin D Is Best?

Designs for Healths Liposomal Vitamin D Supreme combines vitamins D with K to support healthy bones and proper calcium balance in the body. The vitamins are encased in liposomes, which deliver nutrients into the bloodstream. Research shows liposomal forms of vitamin D are better absorbed by the body than tablet forms of vitamin D supplements. The pump delivers 2500 IU of vitamin D3 and 325 mg of vitamin K as K1 and K2.

One of the best free sources of vitamin D comes from the sun, which is why vitamin D is also called the sunshine vitamin. Being in the sun can produce vitamin D when the skin is exposed to the sun.

So, some people may not need to take a vitamin D supplement, according to Frances Largeman-Roth, a registered dietitian nutritionist and author of Smoothies & Juices: Prevention Healing Kitchen. But, she adds, thats only if people live in a sunny state, and if they spend plenty of time outside, and if they eat plenty of fatty fish.

The best way for people to find out if they need a vitamin D supplement is to check with their doctor. Whats more, people who prefer getting their vitamin D through sunshine should put on plenty of sunscreen.

Persona Vitamin D 1000iu

Persona uses vitamin D3 sourced from Vitashine, which is a plant-based form of the vitamin.

As its name suggests, the tablet contains 1,000 IU of vitamin D3. It is vegan and free of all major allergens, including soy, dairy, wheat, fish, nuts, eggs, and shellfish.

Persona claims that its vitamins are backed by science, tested for quality and purity, and inspected by a professional before shipping.

The Vitamin D Supplement Calcifediol Is The Best Type Of Vitamin D Supplement Because It Raises Blood Vitamin D Levels Fast

Since a calcifediol supplement does not need to be processed by the liver, it can be absorbed directly into the bloodstream and throughout your body, which makes a calcifediol supplement three times more effective in raising vitamin D levels when compared to vitamin D3 on an equal microgram basis. When taking a supplement with calcifediol, you could reach your recommended levels of vitamin D in days instead of months, when compared to vitamin D2 or vitamin D3 supplements.

What’s more, several factors can directly affect an individual’s vitamin D status, including body weight. Because vitamin D is a fat-soluble vitamin, it can get trapped in fat tissue. Calcifediol is less likely to be affected by body fat because it is less fat-soluble. Research has shown that individuals with higher body weight may benefit from using calcifediol as a source of vitamin D.

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Vitamin D And Covid: Does It Help

At the start of the pandemic there was a lot of buzz around whether vitamin D could be helpful for preventing or treating coronavirus.

But in a review of existing research, published in December 2020, the National Institute for Health and Care Excellence , Public Health England and the Scientific Advisory Committee on Nutrition concluded there was ‘little evidence for using vitamin D supplements to prevent or treat Covid-19’.

However, we do know that vitamin D is important for our bone, muscle and immune health and that it’s common for people to be deficient in the UK something likely to have been exacerbated by long periods of lockdown and limits on movement, so it’s still important to ensure you get enough.

Video – Vitamin D and Covid: expert view

We spoke to Martin Hewison, Professor of Endocrinology at the University of Birmingham, and specialist in vitamin D research, to find out how vitamin D helps your immune system:

The best reusable face masks and coverings we reveal the masks that filter efficiently, are breathable and comfortable to wear

Other Ways To Get Vitamin D


If youre not ready to hop on the supplement train, youre able to get in vitamin D through food and sunshine . There arent many foods that naturally contain vitamin D, but the National Institute of Health stating fatty fish and fish oils are among the best sources. The top 3 food sources include:

  • Cod liver oil, 1 tablespoon: 1360 IU
  • Rainbow trout, 3 ounces: 645 IU
  • Sockeye salmon, 3 ounces: 570 IU

Your skin also absorbs UV rays from the sun and coverts it into vitamin D. The amount you get is all dependent on time of day, cloud coverage, skin melanin, and sunscreen. Some researchers claim getting outdoors between 10 a.m. and 4 p.m. for about 5 to 30 minutes twice per week will lead to sufficient vitamin D synthesis.

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The 10 Best Vitamin D Products

Besides getting vitamin D in food, the nutrient can be taken as supplements, such as oral tablets, capsules, gummies, and liquid drops. Nutritionists recommend choosing Vitamin D products that have been verified by U.S. Pharmacopeial Convention , NSF International, or other independent certifiers that develop standards to assess the quality of dietary supplements.

As with any product, some vitamin D supplements are better than others. The following are 10 of the best vitamin D products that nutritionists recommend:

The Benefits Of Supplementing With Vitamin D

The reason why vitamin D supplements have become such a necessity for most people: “There are essentially no good, natural food sources of vitamin D,” says renowned vitamin D researcher Michael Holick, M.D., Ph.D., professor of medicine at Boston University and author of The Vitamin D Solution.*

Since a 3-ounce serving of farmed salmon contains about 447 IU, while a cup of fortified milk offers up to 100 IU, and 8 ounces of vanilla yogurt provides just 86 IU, you’d have to eat a truly unrealistic amount of D-containing foods to rack up a significant amount . “You really cannot get enough vitamin D from your diet,” Holick confirms.

And while you can get some vitamin D from sunlight, it’s still practically impossible to meet your needs via food and safe skin exposure alone, according to Holick. “Unless you’re a lifeguard, it’s unrealistic to think you can get enough vitamin D exposure from the sun,” he says.

In fact, his research on vitamin D levels has found that average serum 25-hydroxyvitamin D levels of adults in the U.S. were only hovering around 18 to 22 ng/ml at the end of winter, and still only at 29 ng/ml at the end of summer. Both fall below the 30 ng/ml cutoff for baseline vitamin D sufficiency. . “The difference is small regardless of season,” Holick says. “You still can’t get enough.”

Because of these different factors, Holick recommends supplementing with vitamin D daily.*

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Vitamin D2 Vs D: What Is The Difference And Which Is Better

Vitamin D, also called calciferol, is a fat-soluble vitamin produced by your body when your skin is exposed to sunlight. It is available as a dietary supplement and a prescription medication, and it is naturally present in or added to some foods. Vitamin D2 and D3 are the two primary forms of vitamin D. Although they are often used interchangeably, you may ask, what is the difference between vitamin D2 and vitamin D3?

What Strength Vitamin D Should I Take

Whats the Best Form or Type of Vitamin D

Most experts recommend taking between 600 and 800 IU of vitamin D per day, says Trista Best, registered dietitian and nutrition professor. Its important to note this is the minimum amount to prevent vitamin D deficiency, not necessarily for optimal health. Most supplements will provide 1,000 IU per day, which is appropriate for many adults looking to maintain healthy vitamin D levels.

If you have questions about your vitamin D levels, get a blood test and review the results with your doctor to determine the best approach for you. If youre deficient in vitamin D, your doctor may suggest that you increase your daily dose to replenish blood levels.

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Conditions Treated By Vitamin D And D3

Vitamin D2 as a prescription is used to treat hypoparathyroidism , vitamin D resistant rickets, and hypophosphatemia . It is commonly used for vitamin D insufficiency in both its prescription and over-the-counter formulations. The FDA does not approve treatment claims for over-the-counter vitamin supplements, therefore, even though this use is very common, it is considered off-label.

All forms of vitamin D3 supplements are available over-the-counter, and therefore are not FDA approved to make treatment claims. However, vitamin D3 is commonly used off-label to treat hypoparathyroidism and vitamin D deficiency, as well as for osteoporosis prevention.

In March of 2020, the World Health Organization declared a global pandemic in the wake of the spread of SARS-CoV-2, more commonly known as COVID-19. Due to a lack of clear treatment guidelines and a waiting period for the vaccine to be available, the focus shifted to boosting our natural immune system. Vitamin D became a key player in our fight against COVID-19.

Preliminary studies have shown that Vitamin D reduced ICU admissions in COVID-19 patients and improved overall outcomes.

Various uses of vitamin D supplementation are listed in the table below. You should always seek medical advice before beginning vitamin D supplementation.


Vital Choice Wild Sockeye Salmon Oil & Vitamin D3

This product contains vitamin D3 from lanolin, as well as wild salmon oil, which is a good source of omega-3 fatty acids.

Three capsules provide 3,000 IU of vitamin D3, giving adults more than enough of this nutrient per day. However, a person can take fewer capsules if they want or need a lower amount.

This product is National Sanitation Foundation Certified for Sport, which means that it has undergone testing for contaminants and banned substances and that the manufacturers meet CGMP standards.

This liquid vitamin D product contains 100 IU of vitamin D3 per drop. Six drops would provide an adult with the recommended daily amount of vitamin D.

According to the manufacturers, in safe amounts, this supplement is also suitable for children.

This brand has certifications from Underwriters Laboratories , which runs the UL National Brand Certification Program. This means that the companys manufacturing, packaging, and warehousing practices are safe.

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What Does Vitamin D Deficiency Cause

Vitamin D deficiency is most strongly related to weak bones. Severe vitamin D deficiency causes skeletal deformities and soft bones in children and can cause osteomalacia . Low bone mass and structurally weak bones are related to low calcium and vitamin D levels.

Though not as well recognized, low vitamin D levels have also been linked with immune function and frailty and falls in the elderly and chronic diseases, including heart disease, colon cancer, and diabetes .

Few groups of people are at greater risk of vitamin D deficiency.

  • Older adults. Adult skin does not synthesize vitamin D as efficiently, and older adults often spend more time indoors, restricting their sun exposure.
  • Exclusively breastfed infants. Human milk does not contain enough vitamin D.
  • Individuals with darker skin. The increased quantity of melanin pigment decreases the skins ability to synthesize vitamin D.
  • People with gastric bypass or certain gastrointestinal conditions. Gastrointestinal conditions or gastric bypass procedures can reduce your ability to absorb the vitamin.
  • People taking specific medications. If youre taking steroids, some anti-seizure medications, some weight loss drugs, they can affect Vitamin D levels.

Whats The Best Form Of Vitamin D To Take

Best Naturals Calcium Citrate with Vitamin D

Before you choose any supplement, its a good idea to have an understanding of what youre putting in your body. Vitamin D is an umbrella term that includes various forms of the vitamin the main two being vitamins D2 and D3. Vitamin D2 comes from plants, and vitamin D3 typically from animals.

Vitamin D3 is the most common form found in supplements because its often more effective than D2 at raising overall vitamin D levels in your blood. D3 is produced in your body when your skin cells absorb sunlight and is found in animal foods, such as meat, fatty fish, dairy, and egg yolks.

On the other hand, the only food source of vitamin D2 is mushrooms, which can make acquiring it through diet alone quite difficult. So, D2 is typically added to foods and beveragessuch as cereals, plant milks, and orange juiceto supplement their nutrition.

A few thoughts to keep in mind about vitamin D3: If you have a vitamin D deficiency, you should speak with a healthcare professional about supplementing with a high dose of vitamin D3. Also, if youre vegan or vegetarian, you may want to research D3 supplements, as many products source D3 from fish or sheeps wool. However, recent advancements have allowed manufacturers to produce vegan-friendly forms of vitamin D3 derived from sustainably sourced lichen . As with any supplement, be a conscious consumer, read the ingredients list, and research a supplement before you buy it.

With our shopping list below, weve done some of that for you.

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Check Out Vitamin D Skin

Beyond more traditional supplements that are meant to be orally taken, you might consider skin-care products that contain vitamin D. A study suggests these sources of vitamin D may be good for people who have a difficult time absorbing vitamin D through diet or sunlight. People who may have a hard time absorbing vitamin D include those with Crohns disease, celiac disease, cystic fibrosis, and pancreatitis.

Thorne Research Vitamin D

On the surface, Thorne Research Vitamin D-1000 looks pretty standard. Its a vegetarian cellulose-based vitamin D supplement that delivers 1000 IU per day.

However, its got one interesting and unusual ingredient: the amino acid leucine.

The choice of this particular amino acid might seem a bit puzzling at first, but Thorne Research might be ahead of the curve: a 2015 study on elderly patients found that adding leucine to the vitamin D supplementation regimen of people at risk for sarcopeniathe loss of muscle mass associated with agingfound that leucine helped prevent this muscle loss .

Its not clear how or why this works, but it might be a good idea to go for Thorne Researchs vitamin D offering if you are getting older and want to think about your muscle mass retention.

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People At Risk Of Vitamin D Deficiency

Some people will not make enough vitamin D from sunlight because they have very little or no sunshine exposure.

The Department of Health and Social Care recommends that adults and children over 4 take a daily supplement containing 10 micrograms of vitamin D throughout the year if they:

  • are not often outdoors for example, if they’re frail or housebound
  • are in an institution like a care home
  • usually wear clothes that cover up most of their skin when outdoors

If you have dark skin for example you have an African, African-Caribbean or south Asian background you may also not make enough vitamin D from sunlight.

You should consider taking a daily supplement containing 10 micrograms of vitamin D throughout the year.

In Your Digestive System

What is The Best Type of Vitamin D Supplement?

Vitamin D also gets to work in your intestines. Here, it helps your body absorb the calcium from your healthy diet and from any calcium supplements.

Make sure you get enough Vitamin D in a format which your body can use. Support your diet and lifestyle with a quality daily Vitamin D3 supplement which can be absorbed and digested by your body.

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Preparation And Analysis Of Blood Serum

After collection of whole blood, the samples were left undisturbed at room temperature for 3 h. Then, the emerging clot was separated from the wall of the tube, and the samples were placed into the refrigerator . After 18 h, the clot was removed by centrifuging for 15 min at 1500 rpm in a refrigerated centrifuge. The resulting supernatant was the serum . It was collected into clean tubes and immediately used for the determination of vitamin D3 concentration. The amount of 25D in blood serum was analyzed by electrochemiluminescence immunoassay using Cobas® 6000 modular analyzer .

Signs Of Deficiency And Toxicity


Vitamin D deficiency may occur from a lack in the diet, poor absorption, or having a metabolic need for higher amounts. If one is not eating enough vitamin D and does not receive enough ultraviolet sun exposure over an extended period , a deficiency may arise. People who cannot tolerate or do not eat milk, eggs, and fish, such as those with a lactose intolerance or who follow a vegan diet, are at higher risk for a deficiency. Other people at high risk of vitamin D deficiency include:

  • People with inflammatory bowel disease or other conditions that disrupt the normal digestion of fat. Vitamin D is a fat-soluble vitamin that depends on the guts ability to absorb dietary fat.
  • People who are obese tend to have lower blood vitamin D levels. Vitamin D accumulates in excess fat tissues but is not easily available for use by the body when needed. Higher doses of vitamin D supplementation may be needed to achieve a desirable blood level. Conversely, blood levels of vitamin D rise when obese people lose weight.
  • People who have undergone gastric bypass surgery, which typically removes the upper part of the small intestine where vitamin D is absorbed.

Conditions resulting from prolonged vitamin D deficiency:


Symptoms of toxicity:

  • Weight loss
  • Irregular heart beat
  • Hardening of blood vessels and tissues due to increased blood levels of calcium, potentially leading to damage of the heart and kidneys

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