Ceelin Plus Chewable is for the prevention and treatment of deficiencies of vitamin c and zinc. Vitamin C and Zinc together help the body's natural defense against damaging free radicals (antioxidant effect) and help boost immune function. Vitamin C stimulates the activity of antibodies and immune cells which inhibit foreign antigens such as bacteria and viruses that are harmful to the body. Zinc is also needed for normal growth of children and adolescents, cell renewal and cell repair.