Duct contains the antioxidant ascorbic acid (vitamin C) and the mineral zinc. Vitamin C and zinc play important roles in providing adequate nutrition and immune defense. This supplement may be given to prevent or treat certain deficiencies caused by poor nutrition, different diseases, medications, or pregnancy.
Vitamin C plus zinc is typically sold as an over-the-counter (OTC) produc.
Save Citation To File
roles in nutrition, immune defence and maintenance of health. Intake of both is often inadequate, even in affluent populations.
In pooled analyses of both studies (n=94), vitamin C plus zinc was significantly more efficient than placebo at reducing rhinorrhoea over 5 days of treatment.
Protection Against Colds
For these groups, taking 250 milligrams of vitamin C daily may reduce the chance of catching a cold by 50 percent, reports the NIH’s Office of Dietary Supplements.
Eye Disease Protection
Zinc and vitamin C may prevent vision loss in older people by delaying the progression of age-related macular degeneration, or AMD.
In one study reported by the Office of Dietary Supplements, high intakes of zinc and antioxidants, including vitamin C, reduced the risk of AMD in elderly people. Wound Healing
Vitamin C is needed for the body to form collagen, part of the skin’s connective tissue that plays a vital role in the healing of wounds, such as cuts. Zinc is needed for the formation and maintenance of the skin and mucous membranes.
People with skin ulcers are often deficient in zinc, according to the Office of Dietary Supplements.