做维生素负荷实验,传统的方法是称衡维生素,将维生素溶于一定体积的水中。令受试者早起排尿后服下,连续收四小时尿,分析尿中维生素的排出量。以排出的多少来评价机体维生素营养状况的优劣。在现场进行多种维生素的负荷实验,称衡维生素需用分析天秤,配维生素水溶液也较麻烦,有时还需加调味剂。为了方便起见,将做负荷实验的各种维生素制成片剂。用时,以少量的温水服下即可。这样可大大地方便负荷实验的进行。但是,维生素药片制好后往往要放置一段时间,或者不能一下用完,或者在一段时间 Vitamin load experiment, the traditional method is to weigh the vitamin, the vitamin dissolved in a certain volume of water. So that subjects take urine after taking up early, four hours continuous urine collection, analysis of urinary excretion of vitamins. The amount of discharge to assess the merits of vitamin status of the body. At the scene for a variety of vitamins load test, said the balance of vitamin need to use scales, with vitamin solution is also more troublesome, and sometimes need to add flavor. For convenience, will make a variety of vitamins load test tablets. When used with a small amount of warm water can be taken under. This can greatly facilitate the load test. However, vitamin pills are often made after a good period of time, or can not be used up, or in a period of time