It takes about two days to get a cold after exposure to the virus. In this video, Larry Gooss, DO, a family practice doctor at Chippenham & Johnston-Willis Hospitals, explains how virus can continue to live on surfaces.
A RealAge answered. To prevent vitamin C deficiency, government guidelines recommend a daily dose of 90 milligrams (mg) for men, 75 mg for women. We recommend that you get 1,200 mg of vitamin C per day from food and supplements. This higher amount not only prevents deficiency but also helps prevent disease and needless aging.
Vitamin C content of a fresh orange is 53 mg per 100 grams, or 70 mg for an average sized orange. The recommended everyday intake is 75 milligrams per day for adult women anâ¦d 90 milligrams per day for adult men. Making the world better, one answer at a time.