推荐回答（3个）
芹菜汁中含有丰富的水分和纤维素，食用可以增长人体的饱腹感，可以减少其他食物的摄入量，有减少热量蓄积的作用，同时芹菜汁的味道会影响食欲，也有一定减肥的作用。
且芹菜汁中蛋白质的脂肪含量过低，碳水化合物含量也抵，长期食用会因为缺乏蛋白质而导致水肿，出现营养不良的现象，因此芹菜汁不能长期喝，一个星期喝三天就可以了。
芹菜汁的作用有很多降血压、减肥、利尿等，没有固定的要求一次喝多少，一天喝几次，只要一天的食用量不超过200到300毫升就可以了。需要注意的是芹菜汁打好之后不能保存太长的时间，以免细菌滋生，影响食物的安全情况。
扩展资料
注意事项
1、减肥不能完全靠减少热量摄入，减少热量摄入更多的维持体重，并少量减轻体重，因此喝芹菜汁减肥还需要同时搭配一些运动，促进脂肪的燃烧，才能更有效果。
2、生芹菜汁的味道较为奇怪，不是每个人都能接受，所以将芹菜弄熟，做熟芹菜汁的口味更好，接受度更高。
3、用白糖调味的时候要注意用量，最好稍稍加一点点就可以了，以免糖分过高，出现热量摄入过多。
参考资料来源：百度百科-芹菜汁
你要想只靠喝芹菜汁在一个月内减掉20斤，那必须同时节食才能做到。但是芹菜汁内虽有大量的维生素、纤维素等，但碳水化合物很少，且营养单一肯定不能维持机体的正常需求，一个月下来肯定能起到减肥的作用，但身体也会被损坏的。
如果你能坚持住，可以按照下面这个食谱制作减肥食品，既可以达到效果、营养还全面，是被实践证实过很有效的：生的青椒、胡萝卜、芹菜、山药、西红柿、苹果、紫甘蓝、西兰花各少许加入适量熟黑芝麻粉和一个核桃用料理机打碎，然后加入热牛奶或热豆浆即可。用它当正餐吃，每天最多吃两顿，一个月下来效果就会很好。祝你健康减肥成功
每天坚持喝芹菜汁能瘦的，但是也要同时节食才能做到。芹菜含有大量的维生素及善食纤维素，它含碳水化合物很少，并且营养很单调不能维持人体的正常需求，这样减肥也起不到作用还会对身体被损坏的。如果你能坚持住，可以按照一下食谱制作减肥食物，来达到减肥效果。营养还要全面如胡萝卜，芹菜，山药，苹果，紫甘蓝，西红柿，西兰花各少许再加入适量黑芝麻及核桃用料机打碎，加入热牛奶或热豆浆将即可。每天最多吃两次，来用它当一顿正餐吃，一个月下来减肥效果是最佳的了。减肥一定会成功的。
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