level recommended by the department of health,for the maintenance of normal bones, teeth, muscle function, and immunity,easy-to-swallow, convenient, one-a-day formula from 5p a day for more information, please read our |vitamin d faq//b111//class=f-brand !important|since vitamin d deficiencies are implicated in several health concerns, the government has identified five at-risk groups, for whom they recommend taking at least 400iu vitamin d3 daily.although we include 400iu vitamin d3 in most of our multivitamins, our nutrition advisors agree that a high-strength vitamin d3 1000iu supplement remains a safe and effective insurance policy to safeguard health, especially for those who get very little sun exposure and the over 65s. our vitamin d3 1000iu capsules provide vitamin d in the preferred, highly-bioavailable form of \'d3\'. we\'ve chosen to suspend our vitamin d3 in sunflower seed oil to aid absorption. capsules are better suited to oil-based materials, which is why we\'ve decided to use them over tablets. unlike many other companies, we manufacture and package our high-performance vitamin d3 1000iu in uk factories working to strict to good manufacturing practice (gmp) to ensure our quality standards are always met. since we use gelatine in our formula, this product isn\'t suitable for vegetarians or vegans. if you\'re looking for a plant-based alternative, we recommend our |vegan vitamin d3//p502//class=f-brand !important|. want to learn more about vitamin d3? drop a line to one of our |expert nutrition advisors//aadvice//class=f-brand !important|, who are always happy to provide free, confidential advice. just click the \'nutrition advice\' button located at the bottom right-hand of our website to start a live chat. find out more about the |health implications of low vitamin d3 levels here//b777//class=f-brand !important|. what does vitamin d3 contribute to? vitamin d3 contributes to the normal absorption and utilisation of calcium and phosphorus and the maintenance of normal bones, teeth, and muscle function. it also contributes to the normal function of the immune system, healthy inflammatory responses and normal cell division. |//p503|