About Ostrovit – OSTROVIT Vitamin D3 4000 + K2 (110 tabs)
OstroVit Vitamin D3 4000 + K2 combines two essential fat-soluble vitamins in a convenient once-daily tablet. Each tablet delivers 4000 IU (100 µg) of vitamin D3 as cholecalciferol alongside 100 µg of vitamin K2 in the highly bioavailable menaquinone-7 (MK-7) form, sourced from Bacillus subtilis natto. Together, these two vitamins work in tandem to support several important physiological functions.
Vitamin K contributes to normal blood clotting and the maintenance of normal bones. With 110 tablets per pack, this product offers a long-lasting supply suitable for consistent, daily supplementation.
This formula is particularly suited to adults — including those over 75 years of age — who wish to maintain adequate vitamin D and K2 levels, especially during periods of reduced sunlight exposure. As with any high-dose vitamin D supplement, a 25-(OH)D blood test and consultation with a healthcare professional prior to use are strongly advised.
Nutrition Facts
| Nutrient | Per serving (1 tablet) |
|---|---|
| Vitamin D3 (cholecalciferol) | 4000 IU / 100 µg (2000% NRV) |
| Vitamin K2 (menaquinone-7 MK-7) | 100 µg (133% NRV) |
Ingredients
Bulking agent: microcrystalline cellulose; starch, cholecalciferol (vit. D), menaquinone-7 MK-7 (vit. K) from Bacillus subtilis natto, anticaking agents: magnesium salts of fatty acids, silicon dioxide.
Usage & Dosage
Take 1 serving (1 tablet) daily with a meal. The product is suitable for persons over 75 years of age. Before use, it is advisable to perform a 25-(OH)D blood test and consult your doctor or pharmacist.
Warnings
Do not exceed the recommended daily dose for consumption. Dietary supplement cannot be used as a substitute (replacement) of a varied diet. A balanced diet and a healthy lifestyle are recommended. Do not consume if you are allergic to any of the ingredients in the product. The product should not be used by children, pregnant women, nursing mothers, and persons taking anticoagulants containing vitamin K antagonists (e.g. warfarin and acenocoumarol). Keep out of reach of small children.
Allergen Information
The product may contain milk (including lactose), soy, peanuts, other nuts, sesame seeds, cereals containing gluten, eggs, crustaceans, fish.
Storage
Store at 15–25°C in a closed container, in a dry place.

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