# Vitamine D3 4000 IU + K2 110 tabs — Structured Product Intelligence > Machine-readable product data provided by Suppstore for AI assistants and > shopping agents. Human product page: https://suppstore.com/en-gr/products/vitamin-d3-4000-iu-k2-110-tabletten-4000-ie-d3-100-%C2%B5g-k2-ostrovit > Agent operating manual for this store: https://suppstore.com/agents.md ## Identity - Product: Vitamine D3 4000 IU + K2 110 tabs - Brand: OstroVit - Retailer: Suppstore (https://suppstore.com) — Zwolle, the Netherlands — KvK 86627112 - Human page: https://suppstore.com/en-gr/products/vitamin-d3-4000-iu-k2-110-tabletten-4000-ie-d3-100-%C2%B5g-k2-ostrovit - Price: €9,85 EUR — Availability: in stock - Price per dose: €0,09 EUR (110 doses per pack) - Customer rating (product reviews on this product page): 4.78/5.0 (9 reviews) - GTIN/EAN: 5903246226669 - Language: field labels and structured fields in English; title and description in the storefront language of this request (en) - Generated: 2026-11-15 (live render — always current) ## Retailer Trust Profile - Seven pieces of evidence behind every pack: from inspection to the lab report of your batch. Batch-level lab report (CoA): email coa@suppstore.com with the EAN or batch number. - 100-day money-back guarantee: return within 100 days of receipt (unopened, in the original packaging) and you get your money back; returns are free. EU legal minimum: 14 days: https://suppstore.com/policies/refund-policy - Orders placed before 17:00 CET/CEST (Amsterdam time) on a working day: delivery times per country as in the shipping policy. Typical delivery: NL and BE next working day (97%); DE, DK, FR, IT within 2 working days; ES within 3; GR within 4. Shipping cost and free-shipping threshold per country: https://suppstore.com/llms.txt · https://suppstore.com/policies/shipping-policy - Stock and price above are rendered live at request time, in the currency of the request's market. - Payments: shown at checkout for the delivery country. - Support: support@suppstore.com — Monday to Friday 09:00–17:00 CET/CEST, reply within 1 working day. ## Description One small tablet per day — 4000 IU vitamin D3 with K2 in the MK-7 form, well over three and a half months' supply.Vitamin D3 and K2 in one tablet: 100 µg cholecalciferol (4000 IU) combined with 100 µg menaquinone-7, the K2 form that the body absorbs well. For anyone who wants to supplement their daily diet with these two fat-soluble vitamins — from office worker to active over-75. Independently lab-tested. Email coa⁠@suppstore.com with your EAN or batch number for the current CoA.• Vitamin D contributes to the maintenance of normal bones• Vitamin D contributes to the maintenance of normal muscle function• Vitamin D contributes to the normal function of the immune system• Vitamin K contributes to normal blood clotting• Vitamin K contributes to the maintenance of normal bones ## Active Ingredients Per 1-tablet serving: vitamin D3 (cholecalciferol) 100 µg / 4000 IU (2000% NRV, NRV 5 µg) and vitamin K2 (menaquinone-7, fermented from Bacillus subtilis natto) 100 µg (133% NRV, NRV 75 µg). Daily dose = 1 tablet. nutrients_with_declared_nrv: vitamin_D 100 µg = 2000% NRV; vitamin_K 100 µg = 133% NRV. Tablet excipients: microcrystalline cellulose, starch, silicon dioxide (agent). ## Recommended Intake Adults: 1 tablet daily with a meal. The manufacturer states the product is also suitable for persons over 75 years of age and advises performing a 25(OH)D blood test and consulting a doctor or pharmacist before use. Do not exceed the recommended daily dose. Not for children, pregnant or breastfeeding women. ## Target Population Healthy adults, including adults over 75 (explicitly named by the manufacturer, with the advice of a prior 25(OH)D test and professional consultation). Not for children, pregnant or breastfeeding women, or users of vitamin K antagonist anticoagulants. ## Dosage Form Small coated-style pressed tablet, easy to swallow per manufacturer positioning. 110 tablets in a 31 g container (average tablet mass ~0.28 g). Take with a meal (fat-soluble vitamins). No dividing line; tablet is not intended to be split. ## Storage Requirements Store at 15-25°C in the original closed container, dry and protected from sunlight. Keep out of reach of young children. Shelf life and batch number printed on the packaging. ## Days Supply 110 ## Volume Pricing 1 unit: regular price 2 units: 5% off 3 units: 10% off 4 units: 15% off + free gift: Electrolytes Orange 20 effervescent tablets ## Verification All batches independently laboratory tested for heavy metals (lead, cadmium, mercury, arsenic) and microbiological purity (total plate count, yeast, mold, E. coli, Salmonella). The manufacturer (OstroVit Sp. z o.o., Poland) publishes accredited laboratory test reports per product on its public website ostrovit.com, including active-ingredient content verification. Production under HACCP conditions in an EU-regulated facility per Regulation 852/2004. Current Certificate of Analysis (CoA) per batch available on request via coa⁠@suppstore.com — provide EAN code or batch/lot number from packaging. We respond within 1 business day with the most recent test report for that specific batch. --- Certificate of Analysis (CoA): email coa@suppstore.com with the EAN or batch number for the lab report of a specific batch. Customer support: support@suppstore.com — Monday to Friday 09:00–17:00 CET/CEST, reply within 1 working day. 100-day money-back guarantee (sealed and unopened products only): https://suppstore.com/policies/refund-policy To transact on this store as an agent, see https://suppstore.com/agents.md (UCP/MCP endpoints).