Many people will start taking Vitamin C when signs of a cold, such as fruits, juices, foaming tablets or fruit tea, etc., but vitamin C can really prevent or treat colds. Symptoms?
What is vitamin C?
Vitamin C is an important vitamin and antioxidant to maintain the health of bones, muscles and blood vessels, contribute to collagen formation and help the body absorb iron. Vegetables and fruits contain vitamin C, such as citrus fruits, melons, kiwi fruits, mango, papaya, pineapple, strawberry, blueberry, cranberry and green peppers, etc. Nutritional supplements. Years of research show that in fact vitamin C does not help in preventing or treating colds!
Decades of research results
Since the 1970s, vitamin C has been the most popular alternative therapy for colds, then Nobel Laureate Dr. Linus Pauling It is believed that it can treat the common cold, but the result is not 100%. According to the international research agency Cochrane, in 2010, out of 29 trials involving a total of more than 10,000 subjects, regular vitamin C consumption did not reduce the chance of colds. However, regular intake of vitamin C can reduce the risk of colds by 50% for people suffering from great physiological stress in a short period of time.
Another study conducted in 2007 was a review of clinical trials over the past 60 years to see if taking 200mg or more daily Vitamin C reduces the frequency of colds and shortens the time of colds and relieves the degree of colds. It was found that eating vitamin C after a cold does not relieve the symptoms of a cold or shorten the time of a cold. However, if you take vitamin C daily, you can reduce the time of colds by 8% in adults and children. This is 14 per cent, for example, when an average of 12 days of a cold in an adult will be shortened by only 1 day, or 11 days, while children will fall from 28 days to 24 days.
Did you notice the point? Although it is not possible to confirm that vitamin C can cure or prevent colds, it is better to take vitamin C daily.
Is vitamin C safe?
In general, the dose of vitamin C taken from fruits and vegetables is safe. For most people, it is safe to take vitamin C supplements, but be careful not to overdose, the recommended daily dose: 90 mg for men, 75 mg for women, eating more is not beneficial. The upper limit for adults is 2,000 mg per day. Excessive intake can lead to kidney stones, nausea and diarrhea.
If you have a cold, try other natural remedies such as drinking more water or tea, plenty of rest, bathing and a nutritious diet.