This liquid is for immune system support. It is of good quality and effect, containing 125 mcg (5000 IU) Vitamin D3 if you use the pipette of this product, which equals 15 drops (1 ml in total). The taste is extremely good and its smell very pleasant, compared with those I bought before. suits my juvenile kids who suffer from deficiency in Vitamin D3. Besides, it has K-2, so it' s a smart choice and good combination for those who need all of these essential elements. 在台灣,維他命D3的選擇不多,此配方(免疫功能支持) 如果用產品的滴管 (一次共可滴出 15滴,總共 1 ml) ,使用前記得搖勻,滴在湯匙上,它根據說明書含有5000 IU 的 維他命D3。跟以前自己買過的許多牌子比起來,,這款沒有油耗味,是特级初榨橄欖油與天然柑橘與檸檬香味混和,搖勻後味道與質量都很棒,大人小孩接受度都很高,包裝完整 且能夠安全通過海關運送到台灣的家,是棒的選擇。