natural, plant-based source of vitamin d3 for vegetarians and vegans ,for the maintenance of normal bones, teeth, muscle function, and immunity ,responsibly and sustainably sourced for more information, please read our |vitamin d faq//b111//class=f-brand !important|over half a million people in the uk choose to follow a vegan diet and these gelatine-free, easy-to-swallow vegan vitamin d capsules are a great addition to complement plant-based living. our high-strength vegan vitamin d formula uses an oily extract derived from the lichen plant species naturally rich in vitamin d3, the most bioavailable form of vitamin d and delivers an impressive 1000iu (25µg) per capsule. vitamin d3 from lichen (plant-based cholecalciferol) is an excellent vitamin d alternative for vegetarians and vegans alike. lichens are small plant species that can survive extreme climates and accumulate meaningful levels of nutrients, including plant-based cholecalciferol. there are many different species of lichen. after extensive research, we\'ve carefully selected one of the top strains for our formula a sustainable source that doesn\'t use pesticides and, most importantly, boasts both quality and purity. to preserve the natural properties of our vegan vitamin d3, we\'ve suspended it in pure sunflower seed oil, along with vitamin e. capsules are much 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 formula in uk factories working to good manufacturing practice (gmp) to ensure our strict quality standards are always met. want to learn more about our vegan vitamin d3 or how to support a healthy vegan lifestyle? drop a line to one of our expert nutrition advisors. they\'re always happy to provide free, confidential advice. click the \'nutrition advice\' button located at the bottom right-hand of our website to start a live chat. for more information on vitamin d3, please read our |vitamin d faq//b111//class=f-brand !important|. what does vitamin d3 contribute to? vitamin d3 contributes to the maintenance of normal muscle function, bones, and teeth and the normal absorption and utilisation of calcium and phosphorus. it also contributes to the reduction in the risk of osteoporotic bone fracture. besides that, vitamin d3 contributes to the normal function of the immune system and healthy inflammatory responses and normal cell division.