with 25µg vitamin d3 and 90µg vitamin k2 in each capsule ,great combination for bone and immune support ,easy-to-swallow, taste-free capsules in a flexible dose for more information, please read our |vitamin d faq//b111//class=f-brand !important|modern diets generally don\'t provide enough vitamin d3 and k2. you can now optimise your intake with our high-strength, broad-spectrum formula that comes in a convenient and flexible dose an excellent choice for those who want to support their bone health and immunity. each easy-to-swallow, taste-free capsule provides an impressive 25µg vitamin d3 and 90µg vitamin k2, both of which work synergistically in the body and contribute to the maintenance of normal bones. our bodies obtain vitamin k as vitamin k1 (phylloquinone), found in green leafy vegetables, and vitamin k2 (menaquinone), which is naturally produced by the live bacteria in our digestive tract. the body absorbs vitamin k2 better than k1, so we choose to use it in this formula. vitamin k2 (menaquinone) exists in two forms: synthetic mk-4 and natural mk-7. published studies suggest natural mk-7 is more bioavailable (readily absorbed) than synthetic mk-4. manufactured using a unique extraction process, our vitamin k2 derives from chickpea protein and is more than 96% pure, natural, full-spectrum mk-7. we encapsulate our high-strength formula in small capsules not tablets to further aid absorption. we\'ve suspended vitamin d3 and k2 in sunflower oil, along with rosemary extract and vitamin e, to keep it fresh and stable. to meet our strict quality standards, we manufacture and package our formulas in uk factories working to strict good manufacturing practice (gmp). this product is suitable for vegetarians not vegans. want to learn more about vitamin d3 and k2? feel free to reach out to one of our |expert nutrition advisors//aadvice//class=f-brand !important| who are on hand 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 |vitamin d3 and bone health here//b509//class=f-brand !important|. what do vitamin d3 and k2 contribute to? vitamin d3 and k2 play important, multifaceted roles in the body. vitamin d3 contributes to the maintenance of normal bones, teeth, muscle function and the normal absorption and utilisation of calcium/ phosphorus. vitamin d3 also contributes to normal cell division and the normal function of the immune system, and healthy inflammatory responses. vitamin k2, on the other hand, contributes to the maintenance of normal bones and blood coagulation.