Calcium Ascorbate is a very commonly known additive. However, if you look at the specific uses, it is used to fulfill the deficiency of Vitamin C in the human body. Hence, it is used very commonly in juices and other energy liquids. In addition to that, it is very successful in combating joint pains and internal muscular weaknesses. Due to so many qualities, this substance is used in a number of food products particularly liquids.