{"product_id":"product_157cea6d-9ee3-4e70-ac7e-bc14d859454f","title":"HSN - LIQUID VITAMIN D3 | 30ml","description":"\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eAbout the Product\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHSN's EssentialSeries Liquid Vitamin D3 is a dietary supplement in dropper format, based on natural cholecalciferol (Vitamin D3) (from lanolin, derived from sheep's wool), suspended in a safflower oil base with a natural antioxidant (extract rich in tocopherols). Each drop provides 25 µg (1000 IU) of pure Vitamin D3, in a highly concentrated and convenient liquid format that eliminates the need to take capsules or tablets. Just one drop per day directly into the mouth, with breakfast, in a glass of water, or mixed into any food, with no perceptible taste. The formula is extremely clean: only three ingredients (safflower oil, tocopherol extract, and cholecalciferol), no sweeteners, no artificial flavors, no aesthetic additives. Suitable for vegetarian diets. 30 ml bottle with integrated dosing dropper.\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eBenefits\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eVitamin D3 (cholecalciferol): the most effective form of Vitamin D with over 10 approved EFSA health claims:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVitamin D exists in two main forms: ergocalciferol (D2, plant\/fungal origin) and cholecalciferol (D3, animal or lichen origin). Comparative studies, including the meta-analysis by Tripkovic et al. (2012) published in the American Journal of Clinical Nutrition with 32 studies and 2727 participants, show that cholecalciferol (D3) is approximately 87% more effective than ergocalciferol (D2) in raising and maintaining plasma levels of 25-hydroxyvitamin D (25(OH)D, the marker of vitamin D status), and is also more potent in reducing the incidence of deficiency. EFSA has approved health claims for Vitamin D in multiple physiological categories: it contributes to the normal absorption and utilization of calcium and phosphorus; it contributes to normal blood calcium levels; it contributes to the maintenance of normal bones; it contributes to the maintenance of normal teeth; it contributes to normal muscle function; it contributes to the normal function of the immune system; it plays a role in the process of cell division; it contributes to the normal function of the immune system in children; it helps to reduce the risk of falling associated with postural instability and muscle weakness (in adults over 60). This broad range of physiological functions makes Vitamin D one of the supplements with the highest documented benefit\/dose ratio in current scientific literature.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eVitamin D deficiency in Europe: a widespread public health problem with structural causes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVitamin D is synthesized in the skin by the action of the sun's UVB rays, but the capacity for cutaneous synthesis is limited by multiple factors that accumulate in modern European life. Portugal's geographical latitude (38° to 42° N) means that from October to March, the sun's UVB rays reach the earth's surface at too oblique an angle to stimulate cutaneous Vitamin D synthesis, even on sunny days. The widespread use of sunscreen (which blocks UVB), the tendency to remain indoors (office work, commuting by car), and clothing coverage that limits skin exposure to the sun throughout the year drastically reduce cutaneous synthesis even in months of higher radiation. On the other hand, Vitamin D is scarce in food: the main dietary sources are fatty fish (salmon, tuna, sardines), eggs, and fortified dairy products, but in quantities that rarely cover daily needs without supplementation. European prevalence studies indicate that 40 to 70% of the European adult population has 25(OH)D levels below 50 nmol\/L (20 ng\/ml), the threshold generally considered sufficient for most physiological functions.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eLanolin: natural source of animal-derived Vitamin D3 with a pharmacological profile identical to that produced by human skin:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe cholecalciferol used in this product is extracted from lanolin, the waxy substance produced by the sebaceous glands in sheep's wool. When exposed to UV radiation, lanolin (which contains 7-dehydrocholesterol, the same precursor to Vitamin D3 found in human skin) synthesizes cholecalciferol by photolysis, using exactly the same photochemical mechanism that occurs in human skin. Cholecalciferol obtained from lanolin is chemically identical to that produced by human skin and to cholecalciferol obtained from other animal sources. It is suitable for vegetarian diets (since lanolin is derived from sheep's wool shearing, without the need to slaughter the animal, analogous to honey produced by bees), but not for vegan diets. For vegans, HSN offers capsule versions of Vitamin D3 where cholecalciferol is derived from lichen (the only natural plant source of D3).\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSafflower oil as a fat-soluble vehicle: the superior technical choice for the absorption of fat-soluble vitamins:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVitamin D3 is a fat-soluble vitamin, meaning that its intestinal absorption requires the simultaneous presence of fats in the gastrointestinal tract for efficient absorption: fatty acids stimulate biliary secretion and the activation of pancreatic lipases that form the lipid micelles necessary for the absorption of fat-soluble vitamins. Suspending cholecalciferol in a lipid oil (in this case, safflower oil) ensures that the vitamin is pre-dissolved in a lipid matrix that immediately facilitates its incorporation into micelles, regardless of the fat content of the meal with which it is taken. HSN justifies the choice of safflower oil specifically over other alternatives: water degrades cholecalciferol over time; alcohol evaporates and creates stability problems; olive oil has an intense taste that can be unpleasant and degrades more quickly; safflower oil is stable at room temperature (does not solidify in winter, unlike some oils), colorless, has no perceptible taste, has good oxidative stability, and does not easily peroxidize. The extract rich in tocopherols (natural Vitamin E) is included as an antioxidant to protect cholecalciferol and safflower oil against oxidation over the product's shelf life.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003e1 drop = 25 µg = 1000 IU: safe and effective standard dose for daily maintenance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe dose of 1000 IU (25 µg) per drop corresponds to the most frequently recommended daily maintenance dose for adults with insufficient sun exposure at European latitudes. For reference: the European Nutrient Reference Value (NRV) for Vitamin D is 5 µg (200 IU), but this reference is widely considered outdated and insufficient for maintaining adequate plasma levels of 25(OH)D. The Linus Pauling Institute, the Endocrine Society, and many European national guidelines recommend 1500 to 2000 IU\/day as a maintenance dose for adults without adequate sun exposure, with therapeutic doses of 4000 to 10000 IU\/day (always under medical supervision) for correcting documented deficiencies. The drop format allows total dosing flexibility: 1 drop (1000 IU), 2 drops (2000 IU), 4 drops (4000 IU), or any other dose, adapted to individual needs determined by laboratory analysis of 25(OH)D levels.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eLiquid drop format: maximum practicality and flexibility for all user profiles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe drop format has specific practical advantages that distinguish it from conventional capsule or tablet formats. It can be taken directly into the mouth (sublingual ingestion for partially faster transmucosal absorption), added to morning coffee or tea, mixed into a protein shake, or added to any food without altering its taste (safflower oil is colorless and tasteless). It is especially suitable for people who have difficulty swallowing capsules, for children (with dose adjustment by a healthcare professional), and for those who prefer to minimize the number of solid supplements. The integrated dropper allows for precise and reproducible dosing.\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eUses\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eRecommended dose:\u003c\/strong\u003e Take 1 drop per day (= 25 µg \/ 1000 IU of Vitamin D3) directly into the mouth or added to any food or drink. It can be taken at any time of day, with or without a meal (since the safflower oil in the formula already ensures the necessary lipid matrix for absorption).\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in a cool, dry place (8 to 25°C), in the tightly closed original packaging. Do not expose to direct sunlight. After opening, keep the cap tightly closed.\u003c\/p\u003e","brand":"HSN","offers":[{"title":"Default Title","offer_id":52705357955419,"sku":null,"price":10.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/0250\/3771\/files\/HSN-VITAMINAD3LIQUIDA.webp?v=1777503954","url":"https:\/\/brothers-club.com\/en\/products\/product_157cea6d-9ee3-4e70-ac7e-bc14d859454f","provider":"Brother's Club","version":"1.0","type":"link"}