{"product_id":"bio-tech-pharmacal-a-25-vitamin-a-25000-iu-100-capsules-b01lwlhvuz","title":"Bio-Tech Pharmacal A-25 Vitamin A 25,000 IU - 100 Capsules","description":"\u003ch2\u003eVitamin A Benefits\u003c\/h2\u003e\u003cp\u003eDiscover Msnor Bio-Tech Pharmacal — Vitamin A contributes to several key aspects of health, as recognized by the European Food Safety Authority (EFSA). Below are its well-established roles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal Vision:\u003c\/strong\u003e Vitamin A contributes to normal vision, particularly in dim light, and helps maintain the health of the cornea.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmune Function:\u003c\/strong\u003e It contributes to the normal function of the immune system by supporting the integrity of skin and mucous membranes, which act as barriers to infection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkin Health:\u003c\/strong\u003e Vitamin A contributes to the maintenance of normal skin, promoting cell renewal and differentiation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReproductive Health:\u003c\/strong\u003e It is important for normal reproductive function and foetal development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIron Metabolism:\u003c\/strong\u003e Vitamin A contributes to normal iron metabolism and utilisation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat Is Vitamin A?\u003c\/h2\u003e\u003cp\u003eVitamin A is a fat-soluble vitamin essential for numerous bodily functions. It exists in two main forms: preformed vitamin A (retinol), found in animal products, and provitamin A carotenoids (such as beta-carotene) found in plants. Retinol is readily utilised by the body, whereas beta-carotene must be converted. This supplement provides vitamin A in a concentrated form, delivering 25,000 IU per capsule. As a fat-soluble vitamin, it is best absorbed when taken with a meal containing fat.\u003c\/p\u003e\u003ch2\u003eTypes of Vitamin A: Retinol vs. Beta-Carotene\u003c\/h2\u003e\u003cp\u003eVitamin A comes in two primary forms: preformed and provitamin. Preformed vitamin A (retinol) is directly usable by the body and is commonly sourced from animal-derived foods and supplements. High-potency supplements like this one typically contain retinol, offering a concentrated dose without requiring conversion. Beta-carotene, a plant-derived pigment, must be converted by the body into vitamin A as needed, a process that is less efficient. For individuals seeking a high-dose of vitamin A, retinol supplements are often preferred. This product delivers 25,000 IU of vitamin A, indicating it likely contains retinol (often as retinyl palmitate or retinyl acetate). Always check the label for the specific form.\u003c\/p\u003e\u003ch2\u003eHow Much Vitamin A Do You Need?\u003c\/h2\u003e\u003cp\u003eThe Reference Nutrient Intake (RNI) for vitamin A in the UK is 700 µg per day for adult men and 600 µg per day for adult women. One IU of vitamin A is equivalent to 0.3 µg of retinol. Therefore, the 25,000 IU (7,500 µg) per capsule in this supplement is several times the RNI. Such high doses are typically used for therapeutic purposes under medical supervision. The Upper Safe Level (USL) for preformed vitamin A in adults is 3,000 µg (10,000 IU) per day. Regular intake above the USL may increase the risk of toxicity. It is essential to consult a health care professional before using high-dose vitamin A supplements.\u003c\/p\u003e\u003ch2\u003ePotential Side Effects and Safety\u003c\/h2\u003e\u003cp\u003eVitamin A is safe when used appropriately, but excessive intake of preformed vitamin A (retinol) can lead to hypervitaminosis A. Symptoms may include nausea, dizziness, headache, skin changes, and liver damage. Chronic intake above the USL should be avoided. Pregnant women must be especially cautious, as high doses of vitamin A can cause birth defects. This supplement is not intended for long-term uses at high doses without professional guidance. If you are taking medication or have health conditions such as liver disease, consult your doctor before uses. Do not exceed the recommended dose. Keep out of reach of children.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eCan I take this vitamin A supplement every day?\u003c\/h3\u003e\u003cp\u003eThis product provides a high-dose of 25,000 IU. Daily uses beyond the recommended period should be supervised by a health care professional to avoid toxicity.\u003c\/p\u003e\u003ch3\u003eIs this supplement suitable for vegans?\u003c\/h3\u003e\u003cp\u003eThis product likely contains retinol from animal sources, so it may not be vegan. Check the label for specific ingredients. Vegan alternatives often uses beta-carotene.\u003c\/p\u003e\u003ch3\u003eHow should I take these capsules?\u003c\/h3\u003e\u003cp\u003eTake one capsule daily with a meal containing fat to enhance absorption. Follow the dosage instructions on the label or as directed by your health care provider.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between IU and mcg?\u003c\/h3\u003e\u003cp\u003eIU stands for International Units, a standard measure for fat-soluble vitamins. One IU of vitamin A equals 0.3 µg of retinol. This supplement provides 25,000 IU, equivalent to 7,500 µg RAE.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThese statements have not been evaluated by the Medicines and Health care products Regulatory Agency (MHRA). This product is not intended to diagnose, treat, , or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e","brand":"Bio-Tech Pharmacal","offers":[{"title":"Default Title","offer_id":46720050626721,"sku":null,"price":30.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0043\/3313\/files\/51No54AEsgL._AC_SL1000.jpg?v=1784494308","url":"https:\/\/ukvitalityvitamins.co.uk\/products\/bio-tech-pharmacal-a-25-vitamin-a-25000-iu-100-capsules-b01lwlhvuz","provider":"UkVitalityVitamins","version":"1.0","type":"link"}