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OstroVit Vitamin D3 1000 IU 90 tablets image2
OstroVit Vitamin D3 1000 IU 90 tablets

OstroVit Vitamin D3 1000 IU 90 tablets


OstroVit Vitamin D3 1000 IU is a high-quality food supplement that is a source of vitamin D3.

It is a preparation in the form of easy-to-swallow tablets, created for people who want to supplement their daily diet with this important nutrient.

Package size: 90 tablets.
Active ingredients per tablet:
Active ingredients per dose: % RI*
Vitamin D 25 µg / 1000 IU 250%
Product net weight: 26 g.
Dosage: 1 tablet/day.
Dietary supplement.


Delivery costs: Post - Delivery to pick-up point €4.90.
Free delivery for orders over €79.
Delivery time: 1-3 business days for packages and 2-5 business days for letters.
Minimum order limit €16 (VAT 0%). Read more Order and delivery terms.
The best before date on the package.
Store in a dry and cool place, protected from light.

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What is vitamin D3?

Vitamin D3, also known as cholecalciferol, is one of the two main forms of vitamin D in humans, the other being vitamin D2 (ergocalciferol). It is a fat-soluble vitamin that plays a crucial role in several essential functions of the body. Here is an overview of vitamin D3:

Natural source: Vitamin D3 is produced naturally in the skin when it is exposed to ultraviolet B (UVB) sunlight. When the UVB rays of sunlight interact with the skin's precursor molecule, it is chemically converted into vitamin D3.

Food sources: Vitamin D3 can also be obtained from certain foods, although it is not abundant in most food sources. Foods that contain vitamin D3 include fatty fish (such as salmon and mackerel), egg yolks, and fortified dairy products and grains.

Meaning for health

Calcium absorption: One of the main functions of vitamin D3 is to facilitate the absorption of calcium in the small intestine. This is important for maintaining healthy bones and teeth.

Bone health: Adequate vitamin D3 levels are essential for normal bone development and maintenance. Deficiency can lead to diseases such as rickets in children and osteoporosis in adults.

Immune System Support: Vitamin D3 is believed to have immune-regulating properties and may help support the immune system.

Cell growth and function: It plays a role in cell growth, differentiation and regulation of gene expression.

Health Benefits: Ensuring adequate vitamin D3 levels are associated with a number of health benefits beyond bone health, including:

Reduced risk of osteoporosis: Adequate intake of vitamin D3 can help prevent bone loss and reduce the risk of fractures in older adults.

Immune system support: Some research suggests that maintaining adequate vitamin D3 levels can help reduce the risk of respiratory infections and support immune system function.

Mood regulation: The possible role of vitamin D3 in mood regulation and mental health is currently being investigated.

Vitamin D3 deficiency

Vitamin D3 deficiency is a common concern, especially in areas where sunlight is limited or during the winter months when UVB rays are weaker. Deficiency symptoms can include bone pain, muscle weakness, increased susceptibility to infections and mood changes.

Supplementation with nutritional supplements

In cases of deficiency or when people have too little exposure to the sun, healthcare professionals can recommend a vitamin D3 supplement. These supplements are available in various forms, including capsules, tablets, and liquid drops.

It is important to note that although vitamin D3 is vital to health, excessive supplementation can lead to toxicity, which can cause adverse effects. Therefore, it is important to consult with your healthcare provider to determine your individual vitamin D3 needs and avoid supplementation. They can also recommend appropriate dosage and monitoring to ensure that vitamin D3 levels remain healthy.

Suggested usage

Take 1 serving (1 tablet) daily.

Do not exceed the recommended daily dose. Do not use the product as a substitute (replacement) for a varied diet. Recommended are balanced diet and healthy lifestyle. Do not ingest if you are allergic to any of the ingredients. Keep out of the reach of children.

Keep this packaging tightly closed in a dry place, at a temperature of 15-25°C. Keep out of direct sunlight.
Nutritional information

Bulking agent: microcrystalline cellulose; starch, cholecalciferol (vit. D), anticaking agents: magnesium salts of fatty acids, silicon dioxide.

Product may contain milk (including lactose), soybeans, peanuts, other nuts, sesame seeds, cereals containing gluten, eggs, crustaceans, fish.
Nutrition Facts
Net weight of product: 26 g
Servings per container: 90
Serving size: 1 tablet

*RI - Reference intake

Active ingredientsPer serving% RI*
Vitamin D25 µg / 1000 IU500%

OstroVit Vitamin D3 1000 IU...

€5.90 €3.45