This liquid form of vitamin D3 is an easy and convenient way to take vitamin D and an excellent choice for the whole family.Each drop provides 5µg (200iu) of vitamin D3, with 600 drops per 20ml bottle, so one bottle goes a long way! The vitamin D3 is suspended in a base of virgin olive oil, which is both tasteless and odourless, making it palatable to even the fussiest of people. We\'ve also added a mixture of natural vitamin E tocopherols to the oil, an important antioxidant that prevents the oil from going rancid. Plus this has the advantage that it is preservative free.IngredientsVitamin D3 with virgin olive oil.Typically per drop: 200iu Directions For UseAdults: Take 5 drops, 25µg (1000iu) daily.Pregnant and breast feeding women: Take 2 drops, 10µg (400iu) daily. The Department of Health recommend that all pregnant and breast feeding women should take a daily supplement containing 10µg (400iu).Children 3 years and over: Take 2 drops, 10µg (400iu) daily. PrecautionsKeep out of reach of children.