{"product_id":"vitamina-d3-klean-athlete-5000-ui-100-comprimidos-b00epqn6tw","title":"Klean Athlete Klean-D | Vitamina D3 5000 IU | 100 Cápsulas","description":"\u003ch2\u003eWhat is vitamin D and why is it important?\u003c\/h2\u003e\u003cp\u003eVitamin D is a fat-soluble nutrient that acts as a hormone in the body. It is produced in the skin after sun exposure, but in Spain, especially during the winter months, synthesis can be insufficient. Therefore, supplementation with vitamin D3 (cholecalciferol) is a common option to maintain optimal levels. Klean Athlete Klean-D provides 5000 IU of vitamin D3 per tablet, a dose that can help meet the needs of people with little sun exposure, athletes, or those seeking reinforced support for their bone and immune health.\u003c\/p\u003e\u003ch2\u003eHealth Benefits of Vitamin D\u003c\/h2\u003e\u003cp\u003eAccording to the European Food Safety Authority (EFSA), vitamin D contributes to several essential bodily functions. Scientifically supported benefits include:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal absorption and utilization of calcium and phosphorus:\u003c\/strong\u003e Vitamin D facilitates the intestinal absorption of these minerals, which are essential for bone mineralization.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMaintenance of normal blood calcium levels:\u003c\/strong\u003e Helps regulate calcium concentration, which is crucial for nerve and muscle function.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMaintenance of normal bones:\u003c\/strong\u003e By promoting calcium absorption, it contributes to bone density and strength, reducing the risk of fragility.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal muscle function:\u003c\/strong\u003e Vitamin D is involved in muscle contraction and post-exercise recovery, which is especially relevant for athletes.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal functioning of the immune system:\u003c\/strong\u003e Participates in modulating the immune response, helping to defend the body against infections.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eAdditionally, vitamin D contributes to the cell division process. These effects make maintaining adequate levels important for overall health.\u003c\/p\u003e\u003ch2\u003eHow much vitamin D do you need? Recommended dose\u003c\/h2\u003e\u003cp\u003eDaily vitamin D needs vary depending on age, sun exposure, health status, and physical activity level. For the general population, recommended intakes typically range between 400 and 800 IU per day, although in cases of deficiency or high needs, higher doses can be used under professional supervision. Each Klean-D tablet provides 5000 IU of vitamin D3, an appropriate amount for those who require more intense supplementation, such as athletes, people with little sun exposure, or those seeking additional support for their immune and bone system. It is recommended to consult a healthcare professional before starting supplementation with high doses, especially if taking other medications or having pre-existing medical conditions.\u003c\/p\u003e\u003ch2\u003eDifferences between vitamin D2 and D3\u003c\/h2\u003e\u003cp\u003eThere are two main forms of vitamin D: D2 (ergocalciferol), of plant origin, and D3 (cholecalciferol), of animal origin. D3 is the form that the human body naturally produces when the skin is exposed to the sun. Multiple studies suggest that vitamin D3 is more effective at raising and maintaining blood vitamin D levels compared to D2. Therefore, most high-quality supplements, such as Klean Athlete Klean-D, use cholecalciferol (D3) to ensure optimal bioavailability.\u003c\/p\u003e\u003ch2\u003eHow to choose the best vitamin D supplement\u003c\/h2\u003e\u003cp\u003eWhen selecting a vitamin D supplement, it is important to consider several factors:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eForm and dose:\u003c\/strong\u003e Opt for vitamin D3 (cholecalciferol) and a dose according to individual needs.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eQuality and purity:\u003c\/strong\u003e Choose products that have undergone third-party testing and independent certifications. Klean-D is \u003cem\u003eNSF Certified for Sport\u003c\/em\u003e, which verifies that the product meets strict quality standards and is free of banned substances in sports.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAbsence of allergens and additives:\u003c\/strong\u003e This product is gluten-free, GMO-free, and contains no artificial colors, flavors, or sweeteners, making it suitable for people with food sensitivities.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTrusted brand:\u003c\/strong\u003e Klean Athlete is a recognized brand in the sports field, focused on providing clean and effective nutrition for athletes.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003ePossible side effects and contraindications\u003c\/h2\u003e\u003cp\u003eVitamin D is generally safe when taken at recommended doses. However, very high doses (above 10,000 IU per day for a prolonged period) can lead to toxicity, with symptoms such as hypercalcemia, nausea, or weakness. Since Klean-D provides 5000 IU per tablet, it is advised not to exceed the indicated dose without medical supervision. This product is not recommended for children or pregnant or lactating women without prior consultation with a healthcare professional. Maintaining a balanced intake and following manufacturer's instructions is key to safely enjoying the benefits of vitamin D.\u003c\/p\u003e\u003cp\u003eThis product is a food supplement and should not be used as a substitute for a balanced diet.\u003c\/p\u003e","brand":"Klean Athlete","offers":[{"title":"Default Title","offer_id":48764075016346,"sku":null,"price":36.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/4831\/0170\/files\/61DvIFBNFjL._AC_SL1500.jpg?v=1784477284","url":"https:\/\/vitaminaspain.es\/es\/products\/vitamina-d3-klean-athlete-5000-ui-100-comprimidos-b00epqn6tw","provider":"vitaminaspain","version":"1.0","type":"link"}