The holy fasting of the Lord is the glorious worship of the great Rabul al-Amin. And this fasting requires the right diet selection, physical fitness, emotional strength, and unwavering desire and loyalty. According to doctors and nutritionists, following certain rules and advice, fasting can be done without suffering. Some of the problems that have been done by the Rojadadar are highlighted. Due to long periods of hunger, it can cause irritation of the body and various complications arise due to water disorders. So drink at least 1.5 to 2 liters of water from iftar to seafront. Many people drink various types of processed drinks, such as lemon or rose water, fruit water, various types of veal, vitamin water, instead of water. The opinion of Nurrishnan of Fear of Nars, American University of Beirut, is: It is better to drink only pure water for the রোজাদার. According to these nutritionists, excess water is released from the body like tea and coffee from carbonated and sugar drinks. Therefore carbonateated and beverage and sugary drinks should be avoided. Besides, tea and coffee are better to avoid iftar and saheri due to coffee and tea dye-eateric effects. Many people think that fasting energy is available in coffee. However, the effect of caffeine is cut quickly and then the body feels very weak