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The Truth About Vitamin C and Colds


In case you have been living under a rock…it’s THAT time of year, ya know the one where there are a bunch of holidays coming up and everyone is getting sick. This time of year, while super festive, can be extremely chaotic and stressful and also full of sniffles and coughs. It’s common for people to reach for vitamin C once they’re already sick (I know I always did!), but the latest studies and evidence show that ingesting Vitamin C post cold onset does not help in reducing the length or severity of the illness. While the aforementioned holds true regarding the general population and while further research may be conducted, some studies have shown that taking vitamin C daily could help reduce the likelihood of contracting a cold in those who are at risk for vitamin C deficiency, those who subject their body to extreme, rigorous exercise and those who, for whatever reason, have prolonged periods of exposure to cold temperatures.

Despite the lack of evidence for using vitamin C to reduce the duration and severity of colds, vitamin C is absolutely crucial to our health and the majority of us are able to get the amount our bodies need just from our diet alone, without supplementation. Vitamin C is an antioxidant, plays a role in helping with the regeneration of vitamin E (another antioxidant), helps to metabolize protein and is necessary for our bodies to produce collagen. In summary, vitamin C is important for our body to function, but you shouldn’t necessarily expect a recovery miracle from using it while you’re sick with a cold!

So what can you do when you have a cold? Aside from rest and drinking lots of fluids, the most recent studies and reviews show that Zinc is actually helpful in combating colds by reducing the severity and duration of symptoms when consumed within 24 hours of when your symptoms begin. Zinc can be found in dietary sources such as oysters, beef, pork, chicken, yogurt and cashews. Since the richest dietary sources of zinc are found in meat, vegetarians should consider supplementation, as should people with gastrointestinal issues (they could have decreased absorption capabilities) and women who are pregnant and breastfeeding (the fetus of a pregnant woman requires a lot of zinc and breastfeeding can cause zinc depletion).


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