Vitamin C or Ascorbic acid is important for the body in several ways.
Vitamin C deficiency can cause anemia, bleeding of gums, bruising and slow healing of the wounds.
Vitamin C helps to increase immunity, help form blood vessels faster, acts as an antioxidant, helps absorb iron, control common cold symptoms.
On an average people need about 50-100 mg vitamin C daily. Lesser than 30 mg can cause deficiency.
You can get Vitamin C from fruits, broccoli, spinach, chewable tablets, peppers etc.