送交者: 匆匆过客 于 2005-9-08, 18:11:17:
回答: 大家谈谈每日人体需要补充的维生素怎么样, 由 shine 于 2005-9-08, 15:27:43:
take them with meals. Va, Vd, and Vk are fat soluable so the body can only absorb them with fat. This applies to Va and Vd rich foods, e.g., Yam, carrots etc.
And too much Va can cause birth defections.