{"product_id":"vitamina-b12-1000-mcg-liberacion-prolongada-21st-century-b01f4fac3u","title":"21st Century Vitamina B12 1000 mcg Comprimidos de Liberación Sostenida (330 Comprimidos)","description":"\u003ch2\u003eWhat is Vitamin B12 and why is it important?\u003c\/h2\u003e\u003cp\u003eDiscover 21St Century B-12 — Vitamin B12, also known as cobalamin, is a water-soluble vitamin essential for multiple body functions. It contributes to the normal formation of red blood cells, the functioning of the nervous system, and energy metabolism. In addition, it helps reduce tiredness and fatigue, making it a key nutrient for those seeking to maintain their daily vitality.\u003c\/p\u003e\u003cp\u003eOur body does not produce vitamin B12 on its own, so we must obtain it through food or supplements. Natural sources include meats, fish, eggs, and dairy products, but people on vegetarian or vegan diets, as well as those with absorption problems, can particularly benefit from a supplement.\u003c\/p\u003e\u003ch2\u003eKey benefits of Vitamin B12\u003c\/h2\u003e\u003cp\u003eVitamin B12 contributes to several important bodily functions, supported by the European Food Safety Authority (EFSA):\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal energy metabolism:\u003c\/strong\u003e Helps convert food into usable energy, which can lead to increased vitality.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eReduction of tiredness and fatigue:\u003c\/strong\u003e Adequate B12 levels can help combat the feeling of exhaustion.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal functioning of the nervous system:\u003c\/strong\u003e Maintains neuron health and promotes the transmission of nerve impulses.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal formation of red blood cells:\u003c\/strong\u003e Essential for preventing certain types of anemia.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNormal function of the immune system:\u003c\/strong\u003e Contributes to the body's defenses.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eIn addition, vitamin B12 participates in the cell division process, which is fundamental for tissue renewal.\u003c\/p\u003e\u003ch2\u003eExtended release: what does it mean and why choose it?\u003c\/h2\u003e\u003cp\u003eThese 21st Century tablets feature an extended-release system. This means that vitamin B12 is released gradually throughout the day, rather than all at once. Why is this beneficial? B12 is a water-soluble vitamin that is quickly eliminated through urine if taken in high doses all at once. With extended release, more stable levels are maintained in the blood, optimizing its absorption and utilization.\u003c\/p\u003e\u003cp\u003eEach tablet provides 1000 mcg of vitamin B12, a high dose that far exceeds the recommended daily needs. This presentation is ideal for people with high requirements or absorption difficulties.\u003c\/p\u003e\u003ch2\u003eWho can benefit from this supplement?\u003c\/h2\u003e\u003cp\u003eVitamin B12 supplementation can be especially useful for:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eVegans and vegetarians:\u003c\/strong\u003e Since they do not consume animal products, it is difficult to obtain enough B12 from diet alone.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eElderly people:\u003c\/strong\u003e With age, the ability to absorb B12 from food decreases.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePeople with digestive disorders:\u003c\/strong\u003e Such as Crohn's disease, celiac disease, or atrophic gastritis, which affect absorption.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThose taking medication:\u003c\/strong\u003e Certain drugs, such as metformin or proton pump inhibitors, can reduce B12 levels.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePeople with fatigue or lack of energy:\u003c\/strong\u003e B12 can help improve physical and mental performance.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eIf you are not sure if you need a supplement, consult a healthcare professional to assess your levels.\u003c\/p\u003e\u003ch2\u003eHow to take these vitamin B12 tablets?\u003c\/h2\u003e\u003cp\u003eThe recommended dose for adults is one tablet daily, preferably with a meal to facilitate absorption. Do not chew or crush the tablet; swallow it whole for the extended-release system to work properly. Each package contains 110 tablets, and this pack includes 3 packages, providing a total of 330 tablets, enough for almost a year's supply.\u003c\/p\u003e\u003cp\u003eIt is important not to exceed the recommended daily dose. Keep the product out of reach of children and store it in a cool, dry place.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\u003ch3\u003eHow much vitamin B12 do I need daily?\u003c\/h3\u003e\u003cp\u003eThe reference intake for adults in the EU is 2.5 mcg per day. However, higher doses (such as 1000 mcg) are common in supplements, as the body only absorbs a small fraction. Extended release helps maximize absorption.\u003c\/p\u003e\u003ch3\u003eDoes vitamin B12 make you gain weight?\u003c\/h3\u003e\u003cp\u003eNo, vitamin B12 has no calories and does not contribute to weight gain. On the contrary, by improving energy metabolism, it can help maintain a healthy weight.\u003c\/p\u003e\u003ch3\u003eCan I take this supplement if I am pregnant or breastfeeding?\u003c\/h3\u003e\u003cp\u003eIf you are pregnant or breastfeeding, consult your doctor before taking any supplement. B12 needs may increase during pregnancy, but the dose should be supervised.\u003c\/p\u003e\u003ch3\u003eIs this product suitable for vegans?\u003c\/h3\u003e\u003cp\u003eThe vitamin B12 in this supplement is of synthetic origin (cyanocobalamin), making it suitable for vegans. However, check the label to confirm the absence of animal-derived ingredients.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFood supplements should not be used as a substitute for a balanced diet. Do not exceed the recommended dose. Keep out of reach of children. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e","brand":"21st Century","offers":[{"title":"Default Title","offer_id":48765009494170,"sku":null,"price":38.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/4831\/0170\/files\/71i-tp_7z6L._AC_SL1500_b461c49f-804e-4e4f-81d5-313926fd1ed8.jpg?v=1784491684","url":"https:\/\/vitaminaspain.es\/es\/products\/vitamina-b12-1000-mcg-liberacion-prolongada-21st-century-b01f4fac3u","provider":"vitaminaspain","version":"1.0","type":"link"}