Vitamin D3 test - comparisons. Com 2020

The best vitamin D3 in comparison

Vitamin D3 buying guide 2020 - good for the bones?

Various health problems can arise if the body has a vitamin D deficiency in the blood. Unfortunately, from an organic point of view, we cannot simply do without the valuable vitamin and are dependent on the intake to avoid malfunctions. How the sun vitamins work and which dosage is the right one? in the Vitamin D3 comparison of we show what is important in supplementation and what effects a deficiency can have.

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Vitamin D3 NATURE LOVE® Laboratory-tested 5000 IU

  • Stock for over 1 year
  • multiple test winner in the price-performance ratio
  • simple dosage
  • high quality vitamin D for high bioavailability

Price-performance winner


Vitamin D3 natural elements laboratory tested (1750 drops)

  • Individual dosage
  • Price-performance winner 2020
  • certified in German laboratories
  • tasteless vitamin D3


Vitamin D3 Alpha Foods without additives 80 capsules

  • consisting of partially vegan ingredients
  • ideal for German weather
  • Capsules made from 100% vegetable cellulose


Vitamin D3 Feel Natural + Vitamin K2 tablets - 180 pieces

  • Stock for about 2,5 years
  • suitable for athletes
  • enriched with K2 for optimal absorption of vitamin D3


Vitamin D3 Vit4ever® Vitamin D3 10.000 IU vegetarian

  • Made from premium raw materials
  • enriched with K2 for optimal absorption of vitamin D3

Name Vitamin D3 NATURE LOVE® Laboratory-tested 5000 IU Vitamin D3 natural elements laboratory tested (1750 drops) Vitamin D3 Alpha Foods without additives 80 capsules Vitamin D3 Feel Natural + Vitamin K2 tablets - 180 pieces Vitamin D3 Vit4ever® Vitamin D3 10.000 IU vegetarian
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Note on the comparative grade

Best Recommendationtest-vergleiche.com1,5ExcellentVitamin D3

PricePerformance test-vergleiche.com1,6goodVitamin D3

Tops Producttest-vergleiche.com1,7goodVitamin D3

Tops Producttest-vergleiche.com1,8goodVitamin D3

Tops Producttest-vergleiche.com1,9goodVitamin D3

Manufacturer/Model Nature Love Natural Elements Alpha Foods Feel natural Vit4Ever
Recommended dosage 1 drop every 5 days 1 drop a day 1 capsule every 4 days 1 tablet every 5 days 1 tablet every 10 days
D3 per drop / tablet 5000 IE 1000 IE 4000 IU + 75µg vitamin K2 + 150mg omega-3 fatty acids 5000 IU + 200 µg vitamin K2 MK-7 10.000 IU + 200 µg vitamin K2 MK-7
Quantity 50ml | 1700 drops 50ml | 1750 drops 41 g | 80 capsules 43 g | 180 tablets 43 g | 180 tablets
Ingredients Vitamin D (cholecalciferol), MCT oil (MCT = medium chain triglycerides) MCT oil (MCT = medium chain triglycerides), vitamin D3 (cholecalciferol) Flaxseed oil, chlorella, cellulose (capsule shell), cholecalciferol (from lanolin), menaquinone-7 (99,99% all-trans). Vitamin K2-MK-7, vitamin D (cholecalciferol), filler: microcrystalline cellulose Cholecalciferol (vitamin D3), microcrystalline cellulose (filler), menaquinone MK-7 (K2VITAL®, All-trans 99 +%).
Vegan No No No No No
Without preservatives Ja Ja Ja Ja Ja
lactose free Ja Ja Ja Ja Ja
Gelatin free Ja Ja Ja Ja Ja
Gluten Free Ja Ja Ja Ja Ja
GMO-free Ja Ja Ja Ja Ja
Production in Germany Ja Ja Ja Ja Ja
Features Storage for more than 1 year with recommended dosage Simple, undiluted in drops Suitable for daily use Simple, undiluted in drops Dosage ideally suited for German weather Capsules made from 100% vegetable cellulose Natural quality, free of unnatural additives Made from K2VITAL with a confirmed all-trans value of 100%
  • Stock for over 1 year
  • multiple test winner in the price-performance ratio
  • simple dosage
  • high quality vitamin D for high bioavailability
  • Individual dosage
  • Price-performance winner 2020
  • certified in German laboratories
  • tasteless vitamin D3
  • consisting of partially vegan ingredients
  • ideal for German weather
  • Capsules made from 100% vegetable cellulose
  • Stock for about 2,5 years
  • suitable for athletes
  • enriched with K2 for optimal absorption of vitamin D3
  • Made from premium raw materials
  • enriched with K2 for optimal absorption of vitamin D3
Summary The satisfied customers particularly like the support of the immune system and the quick effectiveness. The quick impact of fatigue, tiredness and winter depression, as well as the adjustable dosage, was noticed positively by the customers. The good effectiveness with drive disorders and fatigue, as well as winter depression, appealed most to the satisfied customers. The customers particularly noticed the long shelf life of a sales unit at the recommended dosage. According to customers, this product impresses with its quick effectiveness.
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Our comparison chart for Vitamin D3 comparison does not replace one Vitamin D3 testin which a special Vitamin D3 test winner can be recommended. In order to increase the added value for our readers, we may link to an external vitamin D3 test from trustworthy sources. Only you decide which model your personal Vitamin D3 test winner is.

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Vitamin D3

Vitamin D3 at a glance

  • Vitamin D belongs to the group of fat-soluble vitamins, with vitamin D3 (cholecalciferol) in particular belonging to the most important representative of this group.
  • In order to guarantee an adequate supply, vitamin D3 must be obtained specifically via the sun or UV-B radiation. It may still be a deficiency, which is why vitamin D3 supplementation may be necessary.
  • A lack of sunlight can lead to a vitamin D deficiency in the organism and trigger various complaints. These include, for example, fatigue, headache, an increased susceptibility to infections, sleep disorders or poorer wound healing.
  • If you suffer from such symptoms, we recommend consulting a doctor so that your individual problem can be considered holistically.

Get started with the best vitamin D3

In connection with sunlight, vitamin D can be formed in the body, but unfortunately often not enough. In the bright months from March to October, organisms are usually well supplied with them. In the cool, dark months, however, an artificial intake can be recommended so that a deficiency does not even occur.

Nowadays, many people no longer exercise outdoors long enough. A large number of people work night shifts or only stay indoors during the day. There are many reasons why you should avoid the sun and spread a lack of vitamin D. In any case, artificial office light does not help to refuel the sun vitamin. Only real daylight or you can help buy vitamin D3 as drops or in the form of tablets and coated tablets.

Top product: Vitamin D3 at Amazon

Vitamin D3, K2 and herbal omega 3 fatty acids | SUNVITAMINS | Without additives, without additives | 80 capsules
  • 4.000 units of vitamin D3 and 75µg vitamin K2 as a pure substance without hidden additives, supplemented with vegetable fatty acids from ...
  • With the Italian brand raw material vitaMK7 with the world's best bioavailability of vitamin K2. Other products usually contain ...
  • Ultra-pure capsule shells from France: 100% free of the usual hidden additives that do not require declaration ...
  • Depot Capsules: 1 capsule only 4 days for the EU guideline of 1.000 IE Vitamin D per day.
  • Developed in California, manufactured in Germany.

How do I find the right dosage of vitamin D3?

The dose makes the poison, according to Paracelsus. Too much Vitamin D is harmful and becomes poison in excess. About the natural vitamin D intake, through sun or food, can no intoxication respectively. Excessively high amounts through dietary supplements, fortified food or high-dose medication can cause Vitamin D3 poisoning lead which is why you have a healthy Vitamin D3 dose need to find a day.


Vitamin D is a fat-soluble vitamin and can be stored in the body, which is why poisoning can occur at all. Hypercalcemia (increased calcium level) would be the possible consequence, which can lead to acute abdominal cramps and the like. In severe cases, the kidneys may be damaged or you die. Also watch out for a gradual overdose if you do Supplement vitamin D3.

The usual or average daily dose is 1000 IU = international units. The abbreviation IE stands for a unit of measurement in the field of medicine. Vitamin D units are thus calculated. One unit of vitamin D corresponds to 0,025 micrograms and one million micrograms corresponds to one gram just to show the ratio. Depending on the clinical picture, a low or very high one Vitamin D supplementation make sense. If you are chronically ill, you should determine the right dose with your family doctor, so as not to make any unwanted mistakes.

Vitamin D3 note:

The designation as a vitamin is not quite correct for "Vitamin D3", says the pharmaceutical experts. Strictly speaking, it is not a vitamin, because according to the definition, vitamins are vital organic compounds that the organism has to consume regularly with food, because it cannot or cannot adequately form them. With sufficient sun exposure can the human body produces enough vitamin D (up to 90 percent!). So there is only a very small part that is (usually) obtained from the food. The appropriate name for vitamin D3 would be "prohormone" (hormone precursor), since it is converted to the hormone (calcitriol) in the organism.

Vitamin D3

Why does vitamin D deficiency arise in old age?

Those who do not get outdoors very often have little chance of catching solar radiation. So it is clear why immobile people often from Vitamin D3 deficiency are affected. So are infants who should not be exposed to the direct sun. Older people are also at risk due to the decrease in skin thickness, which is why their own synthesis is restricted. The function of the kidneys and liver also deteriorates, which leads to limited metabolism. Those who care for older people know that their food intake is declining, so the chance of the body is missed here too Vitamin D3 feed. Before You Order sun vitamins, you should discuss the appropriate dosage with your relative's family doctor.

Vitamin D3 note:

Vitamin D was discovered in connection with the disease "rickets". In 1919, when looking for a cure for rickets, a disorder in children's bone metabolism, the important finding was that artificial UV radiation led to recovery. A few years later, this effect was also confirmed with real sun exposure.

Sun vitamins at Stiftung Warentest - what do the experts say?

It was only in 2020 that vitamin D and such food supplements were examined in more detail. Descendants such as calcipotriol, calcitriol and tacalcitol were the focus of the Vitamin D3 test from Stiftung Warentest. Calcipotriol is the best investigated active ingredient. Patients with psoriasis would experience improvement, so this active ingredient is also available as an ointment or solution for external use. Vitamin D3 is also known as an osteoporosis agent. For the bones are calcium as well Vitamin D indispensable, which is why numerous combination products are available on the market. Useful if undersupply has been demonstrated. Vegetarians and vegans are often lured with a wide variety of nutritional supplements, so the experts have also dealt with it. There are many unnecessary, but also indispensable supplements, because you lose nutrients when you do without animal products. For vegans, taking supplements is therefore mandatory.

Vitamin D3 bestseller on Amazon:

ProgrammsBestseller no. 1
Vitamin D3 + K2 drops 50ml - Premium: 99,7 +% All-Trans (K2VITAL® from Kappa) + highly bioavailable D3 - Laboratory-tested, high-dose, liquid and made in ...
  • EXCELLENT PRICE-PERFORMANCE RATIO: High-dose 25mcg (1000 IU) vitamin D3 and 20mcg vitamin K2 (K2VITAL) as 99,7 +% ...
  • PREMIUM RAW MATERIALS: We use very high quality vitamin K2 (Kappa's K2VITAL). It has a laboratory tested 99,7 +% All Trans ...
  • WITHOUT UNWANTED ADDITIVES: Our vitamin D3 / K2 drops are free of magnesium stearate, release agents, flavors, colors, ...
  • INDEPENDENT LABORATORY TESTED for vitamin D3, vitamin K2 and all-trans content, heavy metals, mold, E. coli, salmonella and ...
  • MADE IN GERMANY: Our dietary supplements are sold directly in Germany in strictly certified and certified ...
Bestseller no. 2
NATURE LOVE® Vitamin D3 - Multiple winner 2020 * - Laboratory-tested 5000 IU per drop - Premium: very high stability. Liquid in drops (50ml). High dose, ...
2.211 Reviews
NATURE LOVE® Vitamin D3 - Multiple winner 2020 * - Laboratory-tested 5000 IU per drop - Premium: very high stability. Liquid in drops (50ml). High dose, ...
  • EXCELLENT PRICE-PERFORMANCE RATIO: Highly dosed vitamin D3 - 5000 IU per drop - a single drop is enough for several ...
  • PREMIUM QUALITY: Now with particularly high stability and longer shelf life thanks to premium lanolin - without the use of ...
  • FREE OF ADDITIVES & 100% VEGETARIAN: Free of flavors, colors, stabilizers, and of course: gelatin-free, ...
  • EVERY INDIVIDUAL Batch OF PRODUCTS LABORATORY-TESTED: Many manufacturers rely on the specifications of their raw material suppliers ....
  • FOR YOUR SATISFACTION: Happy customers are our focus. Should you ever be dissatisfied with a product despite everything ...
Bestseller no. 3
Vitamin D3 - Multiple winner 2019/2020 * - Laboratory-tested 1000 IU per drop - 50ml (1750 drops) - In MCT oil from coconut - Highly dosed, liquid and made ...
  • EXCELLENT PRICE-PERFORMANCE RATIO: Optimal and individual dosing thanks to laboratory-tested 1000 IU (25µg) high-quality ...
  • PREMIUM QUALITY: Particularly highly bioavailable, stable and laboratory-tested vitamin D3 (cholecalciferol). To the excellent ...
  • WITHOUT UNWANTED ADDITIVES: Only pure vitamin D3 in MCT oil. Our vitamin D drops are free of flavors, colors, ...
  • INDEPENDENT LABORATORY TESTED for vitamin D3 content, heavy metals, mold, E. coli, salmonella and more. Investigation carried out ...
  • MANUFACTURED IN GERMANY in strictly tested and certified plants. If, contrary to expectations, you are not satisfied ...

Vitamin D3 advantages / disadvantages


Balances the level of vitamin D in the blood

Bone mineralization

Promote calcium absorption in the gut

Reduce kidney calcium excretion

Many forms of administration available (drops, tablets ...)

Ideal for people who work at night and sleep during the day

Possible immune system support


Beware of unauthorized overdosing (especially during pregnancy and lactation)

Interactions and side effects possible

Vitamin D3 FAQs

Experts advise exposing a quarter of the body's surface to sun exposure. 5 to 25 minutes are enough to get the desired effect. Sit in the garden for a few minutes with a T-shirt or in a short top and you will enrich your vitamin D budget.

As a rule, vitamin D is only available without a prescription, unless you suffer from manifest osteoporosis (with fractures without adequate trauma). With an average dosage of 1000 IU per day, the sun vitamin costs little. You can get 100 tablets for less than 5 euros.

Adults (15 to 65 years) should be supplied with 20 micrograms of vitamin D3 per day. Half infants, about 10 micrograms of vitamin D.

There are foods enriched with vitamin D in which the sun vitamin has been artificially added. Those who prefer to try it naturally should go for fish (herring, eel) or eggs (one egg = 1,2 micrograms of vitamin D).

A possible vitamin D deficiency is determined with the help of a blood test. The vitamin D3 test is carried out by the family doctor, who will tell you the result within a few days. With 30 nanograms or more per milliliter of blood (ng / ml), the vitamin D supply can be described as good. If you only have 20 ng / ml you are not sufficiently well positioned and there is a serious shortage.

Vitamin D3 increases the incorporation of calcium into the cooking, which is why older people, especially women, benefit from it. A lack of bone density leads to problems, for example fractures of the femur after a fall experience. Vitamin D3 can also have a positive effect on brain function, which is why some doctors advise older patients to do so.

There are vegan cheese alternatives that have been fortified with vitamin D. Avocados and mushrooms are also helpful. Milk and eggs are also very suitable for vegetarians.

Small excursions outdoors, for example by bike, or short walks help to supply the body with vitamin D. Light gymnastics and other physical activity is recommended to keep the scaffolding intact.

Conclusion on vitamin 3D

Vitamin D3 is important for the body, especially for bone health, which is why you are supplementary if you are deficient Buy vitamin D3 should. Even a stay in a room flooded with light is not enough to guarantee a supply. Unfortunately, the UV-B components of the sun's rays cannot penetrate window panes. Thus, some people are particularly at risk of deficiency in vitamin D3. Anyone who is rarely in the open almost automatically belongs to the risk group. People in need of care, immobile people and the chronically ill are often affected. in the Comparison of vitamin D3 we noticed that manufacturers make the additional recording very easy. Drops with vitamin D3 fit in any handbag and can be taken quickly. In any case, you have to provide the means to eat because that Vitamin D3 only fat-soluble is. If you were to consume the product on an empty stomach, it would have no positive effect and would be "excreted". Too bad about the money!

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