{"product_id":"vitamina-d3-liquida-extra-fuerte-now-foods-b06xbb9m4t","title":"NOW Foods Liquid Vitamin D-3, Extra Strength, 1 fl oz (30 ml)","description":"\u003ch2\u003eWhat is vitamin D and why is it important?\u003c\/h2\u003e\u003cp\u003eVitamin D is an essential fat-soluble nutrient that performs multiple functions in the body. Often called the 'sunshine vitamin', our body produces it when the skin is exposed to sunlight. However, in Spain, especially during the autumn and winter months, sun exposure is limited, making supplementation a practical option to maintain adequate levels.\u003c\/p\u003e\u003cp\u003eVitamin D3 (cholecalciferol) is the form most effectively utilized by the body. This liquid presentation from NOW Foods offers an extra-strength dose in an easy-to-administer format, ideal for those seeking a concentrated and fast-absorbing supply.\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:\u003c\/p\u003e\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 normal bones.\u003c\/li\u003e\n\n\u003cli\u003eThe normal function of muscles.\u003c\/li\u003e\n\n\u003cli\u003eThe normal function of the immune system.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eAdditionally, vitamin D plays a role in the process of cell division. Adequate levels are especially important for long-term bone health and for the proper functioning of the body's defenses.\u003c\/p\u003e\u003ch2\u003eHow much vitamin D do you need? Recommended dose\u003c\/h2\u003e\u003cp\u003eThe recommended daily dose for adults in the EU is 5 µg (200 IU) for the general population, although many organizations advise 15-20 µg (600-800 IU) per day. This product is 'extra strong', indicating a higher concentration per dose. As a dietary supplement, it is recommended to follow the manufacturer's instructions or consult a healthcare professional to adjust the intake to individual needs.\u003c\/p\u003e\u003cp\u003eIt is important not to exceed the tolerable upper limit established by EFSA (100 µg or 4000 IU per day for adults) without medical supervision. Vitamin D is fat-soluble and stored in the body, so prolonged excess can have adverse effects.\u003c\/p\u003e\u003ch2\u003eDifferences between vitamin D2 and D3\u003c\/h2\u003e\u003cp\u003eThere are two main forms of vitamin D in supplements: D2 (ergocalciferol) and D3 (cholecalciferol). Vitamin D2 is obtained from plant sources, while D3 usually comes from lanolin (sheep's wool fat) or from lichens (suitable for vegans). Research suggests that D3 is more effective in raising and maintaining blood levels of vitamin D. This product contains D3 (cholecalciferol), the most commonly used and studied form.\u003c\/p\u003e\u003ch2\u003eHow to choose the best vitamin D supplement\u003c\/h2\u003e\u003cp\u003eWhen selecting a supplement, consider the form (D3 is preferable), the dosage, the format (drops, capsules, tablets), and the manufacturer's quality. NOW Foods is a recognized brand for its production standards and purity testing. The liquid presentation in drops allows for flexible dosing and rapid absorption, as it can be taken directly or mixed with food or beverages.\u003c\/p\u003e\u003cp\u003eFor greater efficacy, vitamin D is best absorbed when taken with a meal containing fats. Store the bottle in a cool, dry place, protected from light.\u003c\/p\u003e\u003ch2\u003ePossible side effects and contraindications\u003c\/h2\u003e\u003cp\u003eVitamin D is safe when taken at recommended doses. Very high doses (above 10000 IU per day for prolonged periods) can cause toxicity, with symptoms such as nausea, vomiting, weakness, and kidney stones. People with certain medical conditions (sarcoidosis, hyperparathyroidism, kidney stones) should consult their doctor before taking vitamin D supplements.\u003c\/p\u003e\u003cp\u003eThis product is a dietary supplement and should not be used as a substitute for a balanced diet. Maintaining adequate vitamin D levels is part of a healthy lifestyle.\u003c\/p\u003e","brand":"NOW Foods","offers":[{"title":"Default Title","offer_id":48765142106266,"sku":null,"price":33.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/4831\/0170\/files\/419Dd39VUmL._AC_SL1000.jpg?v=1784497624","url":"https:\/\/vitaminaspain.es\/es\/products\/vitamina-d3-liquida-extra-fuerte-now-foods-b06xbb9m4t","provider":"vitaminaspain","version":"1.0","type":"link"}