Can vitamin C help a cold? MedicineNet content reviewed by Carol DerSarkissian, MD states, "Your immune system does need vitamin C to work right. About vitamin C. Our bodies don't make vitamin C, but we need it for immune function, bone structure, iron absorption, and healthy skin. Dr. Cathcart is the leading experts on megadose vitamin C. He believes that massive doses of vitamin C help the immune system fight off bacteria and viruses. And research on the vitamin’s potential role in reducing the severity and/or duration of cold symptoms when taken at their onset has yielded mixed results. But findings have been inconsistent. Dr. Cathcart is the leading experts on megadose vitamin C. He believes that massive doses of vitamin C help the immune system fight off bacteria and viruses. I'm talking DayQuil and Tylenol. A February 2003 study in the journal "Respiratory Medicine" found that vitamin C in the diet of young Norwegian adults who smoked lowered their coughing and wheezing. And is it possible to get too much vitamin C? If you don’t have time to eat a whole orange, down a glass of orange juice to get some necessary vitamin C to help fight that cold. The common cold, or simply the cold, is a viral infectious disease of the upper respiratory tract.The cold is indeed common, and is a significant cause for absences from work and school. In 30 studies comparing the length of colds in people regularly taking at least 200 milligrams of vitamin C daily, there was a consistent reduction in the duration of common cold … The Recommended Dietary Allowance for men is 90 milligrams (mg) per day, and for women, it's 75 mg per day. Or a cough can be inherent of a more serious condition like emphysema, pneumonia, tuberculosis or even lung cancer. Vitamin C has been studied for many years as a possible treatment for colds, or as a way to help prevent colds. Unlike antibiotics, where the bacteria can become resistant to the drug, this does not happen with vitamin C. He advocates taking the "saturation" dose of vitamin C. According to a Cochrane Collaboration review, vitamin C supplements do not prevent colds, except perhaps in people exposed to severe physical stress, such as marathon runners and skiers. But does vitamin C really help us prevent and recover from the cold… However, there are some vitamins we can all rely on to know their purpose and preventable abilities, such as vitamin C which is well known for being the best for supporting us through colds and flu. > Research shows vitamin C is essential … It may also help create collagen to support healthy skin. Everyone wants to know how to get rid of a cold fast. It appears that for the most part taking vitamin C won't help the average person prevent colds. Vitamin C might improve a cough from some of these causes, but not from others. When it comes to vitamins, it can all be a bit confusing as to which ones help prevent which ailment. I'm also taking NyQuil before I go to bed. Back in 2007, researchers pooled the results of 29 different studies looking at the effect of vitamin C on colds.