Vitamin C Injection is important for healthy bones, tissues, veins and help in the production of red blood cells. Also the disease scurvy which is caused due to deficiency of Vitamin C Injection is treated by supplying enough amount of it to the body from external sources. Ascorbic acid is used in such treatment. It also helps in better iron absorption in the body. Vitamin C Injection is a vitamin absorbed by the body from different food sources, mostly from citrus fruits like oranges, lemons , kiwi, papaya etc. and different vegetables as well.