Vitamin D3 capsules 5000 I.U. One week supply (90 capsules)

€12.71 *

Available for prompt delivery; Delivery time: approx. 3 – 4 weekdays

16 Gramm (€79.44 * / 100 Gramm)

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  • gluten-free
  • GMO-free
  • lactose-free
  • soya-free
  • without artificial colouring
  • without artificial flavors
  • without preservatives

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Art-No. 12972
PZN: 11161290
EAN 4260085383788
Packing size: 90 capsules
Capsule shell type: Vegatarian capsule shell

Take 1 capsule unchewed weekly with non-carbonated water (at least 200 ml) together with a main meal.

Ingredients: Filling agent: microcrystalline cellulose, cholecalciferol (27,8 %, vitamin D3), capsule shell: hydroxypropylmethylcellulose (HPMC).
Active content: Vitamin D3 per 1 capsule: 125 μg (5.000 I.E.)

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Vitamin D3 5000 I.E -. One week supply

Week Deposit - Only once a week! With the Vitamin D3 week supply capsules from ZeinPharma® you get a high quality supplement with 5.000 I.E. Vitamin D3. Benefit from a weekly, one-time consumption of a naturally derived from Lanolin vitamin D3. It is absolutely pure, free of impurities and suitable for vegetarians.


     5.000 I.E. week depot

     Only 1 capsule per week

     Equivalent to 125 μg vitamin D3

     Of course, lanolin

     Suitable for vegetarians

One week deposit: Only once a week

The capsules contain vitamin D3 in a highly-dosed form. One capsule contains 5.000 I.U. that is 125 μg. The recommended daily dose for adults is approximately 800 I.E. and 2.000 I.E, depending on the age, the season and the individual constitution.

You may not want to consume a capsule every day for a variety of reasons. In everyday life, it does not always work to think about the intake on a daily basis. If you use the Vitamin D3 capsules 5.000 I.E., it is sufficient to consume just one capsule per week. With this one-time weekly dosage you are adequately provided to prevent vitamin D deficiency.

Vitamin D3 - The sun vitamin

Vitamin D is often called the sun vitamin because the body usually forms it by absorbing sunlight. Provitamin D3 is formed from provitamin 7-dehydrocholesterol under the influence of direct sunlight. Through the blood it gets into the liver, where it is converted to vitamin D3 and also stored. The kidney is finally responsible for the activation of vitamin D3 in vitamin D. The formed vitamin D is stored in liver and adipose tissue. In the summer months, the body's memory can be replenished by regular, daily sunbathing. Due to this fact, the skin of the whole body should be briefly exposed to the sun.

Vitamin D deficiency in summer and winter!

Large parts of the population suffer from vitamin D deficiency. The deficiency arises in the absence of sunlight. In our latitudes, sunlight in the winter is not enough for the necessary supply of vitamin D. And even during summer due to the fact that many people stay a lot indoors, use strong sunscreen or keep large parts of the body permanently covered by clothing, subsequently the adequate synthesis of vitamin D does not take place. In order to avoid a lack of vitamin D, you should hence provide your body with vitamin D in another way.

The consequences of vitamin D deficiency include osteoporosis, rickets, and susceptibility to infections and weakness to the burn-out syndrome.

Natural vitamin D3 from lanolin

If you want to prevent vitamin D deficiency through consuming dietetic foods, you also, of course, want to know what the vitamin D3 supplement is from. Vitamin D in capsule form is often produced synthetically or derived from cod liver oil. The vitamin D3 capsules 5.000 I.E. from ZeinPharma®, on the other hand, contain vitamin D, which is derived from lanolin. Lanolin is the wool wax that comes from the coat of sheep. Lanolin is not a vegan product. As a vegetarian, however, you can safely consume  the capsules because lanolin is considered a vegetarian product.

The physiological functions of Vitamin D

Vitamin D is an essential substance that occupies an important position within many physiological processes:•It regulates the immune response - the immune system's response to stimuli and substances - and thus can significantly strengthen your immune system.•The regulation of cell division is also influenced by vitamin D.•Healthy bones and teeth are directly dependent on calcium metabolism in the body. Ingestion of calcium in the gut is closely related to vitamin D. Thus, a sufficient vitamin D level can also affect bone metabolism and dental health.•The same applies to the buildup of muscles. Again here, vitamin D has a key function. Especially for women who want to build their muscles, this can be an important clue.

Fat increases vitamin D intake

Vitamin D is one of the fat-soluble vitamins. These are vitamins that should be supplied to the body along with fatty foods, as they are better absorbed by the body. The combination with fat ensures better bioavailability, which is the prerequisite for vitamin D in the body, so that it can fulfill its important functions. The body can store the fat-soluble vitamin D in adipose tissue and in the liver, therefore long-term deposits can be built up.


A recent study (2015) showed that 12 hours after consuming vitamin D along with a fatty meal, 32 percent more vitamin D was detected in the plasma than with a non-fat meal (see picture).


Expert Tip: If you are already taking omega-3 capsules or krill-oil capsules, you can ideally consume them together with the vitamin D3 capsules. This increases the bioavailability!


As a positive side effect, the essential omega-3 fatty acids DHA and EPA contribute to the healthy functioning of the cardiovascular system.

I.U. - What do the International Units mean?

One capsule of vitamin D3 contains 5.000 I.U. The name I.Ustands for "International Units" which is often used in medicine. For each substance, this unit is specifically defined:


1 I.E. Vitamin D3 corresponds to 0.025 μg

5.000 I.E. Vitamin D3 corresponds to 125 μg


The daily requirement is between 800 and 2.000 I.E., depending on the target group and the season. The amount of 5.000 I.E. per capsule is based on the recommended guideline of the Nutrition Society, which currently is 800 I.U. for an adult.

Safety: Free from contamination

When you consume vitamin D capsules, you naturally want to guarantee the quality of the ingredients in the interest of your health. We only process flawless raw materials previously tested for microorganisms, heavy metals and other contaminants. Thus, you get a final product that is free of contaminants and pollutants.

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