best choice for those who struggle to swallow capsulestablets each drop provides 5µg 200iu of pure vitamin d3 ideal for all the family including pregnant and breastfeeding women preservativefree for more information please read our vitamin d faqb111classfbrand important as little as 10 of our vitamin d3 intake comes from our diet the best sources being oily fish salmon sardines herring and mackerel red meat liver and egg yolks margarine and some breakfast cereals may be fortified with vitamin d but only in small amounts the best way to synthesise vitamin d3 is via sunlight however this can be much harder in the winter months the department of health recommends all uk adults should consider taking at least 10µg of vitamin d3 between october and march while the five atrisk groups for low vitamin d3 should take this level all year round since each drop of our vitamin d3 drops provides 5µg 200iu of pure vitamin d3 we recommend taking 2 drops for a 10µg dose our vitamin d3 drops are an easy…