{"product_id":"21st-century-d3-10000-ui-tabletas-110-unidades-b00gox81v2","title":"21st Century D3 10.000 UI Tabletas, 110 unidades","description":"\u003cp\u003eThe \u003cstrong\u003e21st Century D3 10,000 IU Tablets\u003c\/strong\u003e food supplement provides a high dose of vitamin D3 (cholecalciferol) in a comfortable and practical format. Each tablet contains 10,000 IU of vitamin D, ideal for those who need an extra supply, especially during months of less sun exposure. Manufactured in the United States, this product contains no added sugar, yeast, preservatives or artificial flavors.\u003c\/p\u003e\n\n\u003ch2\u003eWhat is vitamin D and why is it important?\u003c\/h2\u003e\n\u003cp\u003eVitamin D is a fat-soluble vitamin essential for multiple bodily functions. Its best-known role is to facilitate the absorption of calcium and phosphorus, fundamental minerals for bone health. In addition, it participates in the regulation of the immune system and muscle function. In Spain, due to latitude and lifestyle, many people have suboptimal levels of vitamin D, especially in winter. Therefore, supplementation can be an effective strategy to maintain adequate levels.\u003c\/p\u003e\n\n\u003ch2\u003eHealth benefits of vitamin D\u003c\/h2\u003e\n\u003cp\u003eAccording to the European Food Safety Authority (EFSA), vitamin D contributes to:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eThe normal absorption and utilization of calcium and phosphorus.\u003c\/li\u003e\n\n\u003cli\u003eThe maintenance of normal blood calcium levels.\u003c\/li\u003e\n\n\u003cli\u003eThe maintenance of bones under normal conditions.\u003c\/li\u003e\n\n\u003cli\u003eThe normal functioning of muscles.\u003c\/li\u003e\n\n\u003cli\u003eThe normal functioning of the immune system.\u003c\/li\u003e\n\n\u003cli\u003eThe process of cell division.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eThese effects are supported by scientific evidence and recognized by European health authorities. Including vitamin D in your daily routine can help you meet your nutritional needs.\u003c\/p\u003e\n\n\u003ch2\u003eHow much vitamin D do you need? Recommended dose\u003c\/h2\u003e\n\u003cp\u003eVitamin D needs vary depending on age, sun exposure, health status, and other factors. The general recommended daily dose is 600 to 800 IU for adults, but in cases of deficiency or high needs, higher doses may be necessary. This product provides \u003cstrong\u003e10,000 IU per tablet\u003c\/strong\u003e, an amount that is considered high and should be used under professional supervision. It is recommended to consult a doctor or nutritionist before starting supplementation, especially if other medications are taken or if there are pre-existing health conditions. Do not exceed the daily dose indicated on the package.\u003c\/p\u003e\n\n\u003ch2\u003eDifferences between vitamin D2 and D3\u003c\/h2\u003e\n\u003cp\u003eThere are two main forms of vitamin D in supplements: vitamin D2 (ergocalciferol), of plant origin, and vitamin D3 (cholecalciferol), which is the form that the human body produces after sun exposure. Studies suggest that vitamin D3 is more effective in raising and maintaining blood vitamin D levels. \u003cstrong\u003e21st Century D3\u003c\/strong\u003e uses cholecalciferol, the form identical to the natural one, which favors its utilization by the body.\u003c\/p\u003e\n\n\u003ch2\u003eHow to choose the best vitamin D supplement\u003c\/h2\u003e\n\u003cp\u003eWhen selecting a vitamin D supplement, it is important to consider the form (D3 vs. D2), the dose, the quality of the product, and the absence of unnecessary additives. This product stands out for:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eHigh concentration:\u003c\/strong\u003e 10,000 IU per tablet, ideal for high needs.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eD3 form:\u003c\/strong\u003e Cholecalciferol, the most bioavailable form.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNo additives:\u003c\/strong\u003e Contains no sugar, yeast, preservatives or artificial flavors.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Produced in the United States under strict quality controls.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Easy-to-take tablets, with 110 units per package.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eIn addition, since it does not contain artificial ingredients, it is suitable for people looking for a clean and simple product.\u003c\/p\u003e\n\n\u003ch2\u003ePossible side effects and contraindications\u003c\/h2\u003e\n\u003cp\u003eAlthough vitamin D is safe in adequate doses, excessive consumption can lead to toxicity (hypervitaminosis D), with symptoms such as nausea, weakness, or kidney problems. Therefore, it is essential not to exceed the recommended dose and consult a healthcare professional before using high doses such as those of this product. This supplement should not be used as a substitute for a balanced diet or a healthy lifestyle.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis product is a food supplement; it should not be used as a substitute for a balanced diet.\u003c\/em\u003e\u003c\/p\u003e","brand":"21st Century","offers":[{"title":"Default Title","offer_id":48764180889754,"sku":null,"price":32.12,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/4831\/0170\/files\/71d-6CIm9jL._AC_SL1500_0f95aa83-9164-44c8-ad9a-a301600d44bc.jpg?v=1784478076","url":"https:\/\/vitaminaspain.es\/es\/products\/21st-century-d3-10000-ui-tabletas-110-unidades-b00gox81v2","provider":"vitaminaspain","version":"1.0","type":"link"}