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Vitamin D3 (cholecalciferol) is the most important physiological form of vitamin D in the human organism. The body can produce vitamin D3 in the skin with the help of sufficient UVB radiation from sunlight. Depending on the time of year, more than 50% of the population in Germany may be vitamin D deficient because of lack of sun exposure.

Typically, vitamin D3 in supplements comes from lanolin (wool wax) and is therefore not vegan. However, the vitamin D3 in the vegan vitamin D3 2000 I.U. capsules from ZeinPharma® comes from the premium ingredient vitamin D3V®, which comes from 100% GMO-free and sustainable algae and is completely free of animal components. In the past, vitamin D2 was often used for vegan vitamin D products, but its effectiveness is still questionable. Now, however, with the help of the algae used, a much better alternative can be offered. The algae contained in the product have been used worldwide as a foodstuff for decades. By means of NMR spectroscopy and other test methods, it was possible to prove that the vitamin D3 it contains is chemically identical to vitamin D3 from animal sources and is thus in no way inferior to it. This makes it perfect for a purely plant-based and natural supplement to the diet.

Frequently asked questions

What is the difference between vitamin D and vitamin D3?

Vitamin D is a group of fat-soluble vitamins. Vitamin D3 (cholecalciferol) is the physiologically most important representative of this group for humans and plays an essential role in regulating the calcium level in the blood and in bone formation. Colloquially, however, vitamin D3 is sometimes just called vitamin D.
The use of the capsules is independent of the time of day. You can therefore use them when it suits you best. However, it is best to consume the capsule together with other fatty foods. <br>
You can store the capsules at normal room temperature. As long as they are protected from direct sunlight, you are otherwise free to choose the storage location.
The capsules can be opened safely. You can thus add the contents to a meal or drink, for example.
Yes, ZeinPharma® also offers vegan vitamin D3 in the form of an oral spray. ZeinPharma® also offers vitamin D3 drops and capsules, which are not vegan.

Vegan Vitamin D3 Spray 1000 I.U.

Vitamin D3 Drops 1.000 I.U.

Vitamin D3 Kids Drops 400 I.U.

Vitamin D3 Capsules 2000 I.U.

Vitamin D3 Softgel Capsules 14.000 I.U.

Vitamin D3 Weekly Depot Capsules 5000 I.U.

Vitamin D3 + K2 Family Drops

Vitamin D3 1000 I.U. + K2 15 µq Spray


Vitamin D3 can be used permanently without any risk. Usually there are no side effects.
Usually there are no side effects as long as the recommended dosage is followed.
In case of concomitant intake of diuretics (benzothiazides), atovarstatin or cardiac glycosides, vitamin D should only be consumed as a dietary supplement after consultation with your doctor or pharmacist.

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