{"product_id":"source-naturals-vitamina-d3-2000-ui-50-mcg-400-capsulas-b019iwz62w","title":"Source Naturals Vitamina D3 2000 IU (50 mcg) - 400 Cápsulas","description":"\u003ch2\u003eWhat is vitamin D3 and why is it important?\u003c\/h2\u003e\u003cp\u003eVitamin D is an essential nutrient that the body needs for multiple functions. Although it is known as the \"sunshine vitamin,\" many people do not get enough sun exposure or have difficulty synthesizing it adequately. Vitamin D3, or cholecalciferol, is the form that the body naturally produces when the skin is exposed to sunlight. This form is the most efficient for meeting the body's needs and the most commonly used in supplements.\u003c\/p\u003e\u003cp\u003eThis Source Naturals product provides 50 mcg (equivalent to 2000 IU) of vitamin D3 per capsule, in its biologically active form. With 400 capsules per container, you have a supply for over a year if you take one capsule a day. It is a practical option for maintaining adequate levels, especially during winter or when sun exposure is limited.\u003c\/p\u003e\u003ch2\u003eBenefits of vitamin D3 for health\u003c\/h2\u003e\u003cp\u003eAccording to the European Food Safety Authority (EFSA), vitamin D contributes to various normal physiological 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 absorption of these minerals in the intestine, which is essential for bone mineralization.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMaintenance of bones under normal conditions:\u003c\/strong\u003e By regulating calcium metabolism, it helps maintain bone density and the structure of the skeleton.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal muscle function:\u003c\/strong\u003e Adequate levels of vitamin D contribute to muscle function, which is especially important in older people to maintain mobility.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal functioning of the immune system:\u003c\/strong\u003e Vitamin D plays a role in modulating the immune response, helping to defend the body against external agents.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eThese effects are based on accumulated scientific evidence and are recognized by European health authorities. It is important to remember that supplements do not replace a balanced diet or a healthy lifestyle.\u003c\/p\u003e\u003ch2\u003eHow much vitamin D3 do you need? Recommended dosage\u003c\/h2\u003e\u003cp\u003eThe recommended daily dose of vitamin D varies depending on age, sun exposure, and individual needs. In general, for healthy adults, the reference intake established by the EFSA is 15 mcg (600 IU) per day. However, many people may need higher doses to maintain optimal levels, especially if they have little sun exposure or risk factors.\u003c\/p\u003e\u003cp\u003eThis supplement provides 50 mcg (2000 IU) per capsule, a dose that is below the maximum tolerable level established by the EFSA for adults (100 mcg or 4000 IU per day). It is recommended to take one capsule daily with a meal to facilitate absorption. If you have doubts about the appropriate dose for you, consult a healthcare professional who can assess your vitamin D levels through a blood test.\u003c\/p\u003e\u003ch2\u003eDifferences between vitamin D2 and D3\u003c\/h2\u003e\u003cp\u003eThere are two main forms of vitamin D: D2 (ergocalciferol) and D3 (cholecalciferol). Vitamin D2 is obtained from plant sources, such as mushrooms exposed to UV rays, while D3 is of animal origin (lanolin from sheep's wool) or vegetable (lichens) in vegan versions.\u003c\/p\u003e\u003cp\u003eThe main difference lies in its effectiveness. Vitamin D3 is the form that the body produces naturally, and various studies suggest that it is more effective in raising and maintaining vitamin D levels in the blood. Therefore, most high-quality supplements use D3. This Source Naturals product clearly contains cholecalciferol (D3), which ensures optimal bioavailability.\u003c\/p\u003e\u003ch2\u003eHow to choose the best vitamin D3 supplement\u003c\/h2\u003e\u003cp\u003eWhen selecting a vitamin D supplement, consider the following aspects:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eForm of vitamin D:\u003c\/strong\u003e Opt for D3 (cholecalciferol) due to its greater effectiveness compared to D2.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eDosage:\u003c\/strong\u003e Evaluate the amount per dose (2000 IU in this case) and the ease of adjusting to your needs.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eManufacturer quality:\u003c\/strong\u003e Source Naturals has more than 40 years of experience in the sector and manufactures its products under strict quality standards in the United States (cGMP).\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFormat and duration:\u003c\/strong\u003e The capsules are easy to take, and a pack of 400 capsules offers excellent value for money in the long term.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eThis product is suitable for adults looking for a high-concentration, reliable vitamin D3 supplement. As with any supplement, it is important to store it in a cool, dry place, and keep it out of reach of children.\u003c\/p\u003e\u003ch2\u003ePossible side effects and contraindications\u003c\/h2\u003e\u003cp\u003eVitamin D3 is generally safe when consumed within recommended doses. However, excessively high doses (above 4000 IU per day for prolonged periods) can cause hypercalcemia, with symptoms such as nausea, weakness, or kidney disorders. This product provides 2000 IU per capsule, a dose considered safe for most adults, but it is important not to exceed the daily intake without medical supervision.\u003c\/p\u003e\u003cp\u003ePeople with certain health conditions (such as sarcoidosis, hyperparathyroidism, or kidney failure) should consult their doctor before taking vitamin D supplements. Likewise, pregnant or breastfeeding women should seek professional advice. This product is a food supplement and should not be used as a substitute for a varied and balanced diet.\u003c\/p\u003e","brand":"Source Naturals","offers":[{"title":"Default Title","offer_id":48764973121690,"sku":null,"price":50.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/4831\/0170\/files\/71EdsyqVXbL._AC_SL1500_6a66be03-c285-4e7a-9c04-1c04924a119e.jpg?v=1784489835","url":"https:\/\/vitaminaspain.es\/es\/products\/source-naturals-vitamina-d3-2000-ui-50-mcg-400-capsulas-b019iwz62w","provider":"vitaminaspain","version":"1.0","type":"link"}