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1. • Little to no benefit

     • Overall, experts have found little to no benefit from vitamin C for preventing or treating the common cold. In a July 2007 study, researchers wanted to discover whether taking 200 milligrams or more of vitamin C daily could reduce the frequency, duration, or severity of a cold.
     www.webmd.com/cold-and-flu/vitamin-c-for-common-cold

     Vitamin C for the Common Cold - WebMD

2. People also ask

   Does vitamin C cause a cold?

   • In a qualitative review on vitamin C and the common cold published in the same year, Dykes 1975 also concluded that vitamin C had no effect on colds. However, it has subsequently been pointed out that the influential reviews by Chalmers 1975 and Dykes 1975 contain serious errors ( Hemilä 1995; Hemilä 1996c; Hemilä 2006a ).

   Vitamin C for preventing and treating the common cold - PMC

   www.ncbi.nlm.nih.gov/pmc/articles/PMC8078152/

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   Does vitamin C reduce common cold duration?

   • The regular supplementation trials found that ≥ 0.2 g/day vitamin C reduced common cold duration by 8% in adults and by 14% in children, and 1 to 2 g/day vitamin C reduced common cold duration by 18% in children. The practical relevance of these findings is not clear.

   Vitamin C for preventing and treating the common cold - PMC

   www.ncbi.nlm.nih.gov/pmc/articles/PMC8078152/

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   Does vitamin C prevent postrace colds?

   • Twenty‐five additional trials were then added to the review, including a number of trials which evaluated the utility of vitamin C in the prevention of post‐race colds among marathon runners and further explored the role of vitamin C as a therapy for colds.

   Vitamin C for preventing and treating the common cold - PMC

   www.ncbi.nlm.nih.gov/pmc/articles/PMC8078152/

   See all results for this question

3. www.webmd.com › cold-and-flu › vitamin-c-for-common-coldVitamin C for the Common Cold - WebMD

   www.webmd.com › cold-and-flu › vitamin-c-for-common-cold

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   Sep 12, 2023 · Learn about the benefits, side effects, and uses of vitamin C for colds. Find out how vitamin C may slightly shorten cold duration, but not prevent or treat it, and what dosage is safe and effective.

4. www.ncbi.nlm.nih.gov › pmc › articlesVitamin C for preventing and treating the common cold - PMC

   www.ncbi.nlm.nih.gov › pmc › articles

   Jan 31, 2013 · The regular supplementation trials found that ≥ 0.2 g/day vitamin C reduced common cold duration by 8% in adults and by 14% in children, and 1 to 2 g/day vitamin C reduced common cold duration by 18% in children.

   • Author: Harri Hemilä, Elizabeth Chalker
   • DOI: 10.1002/14651858.CD000980.pub4

   • Publish Year: 2005
   • Published: 2013/01

5. newsnetwork.mayoclinic.org › discussion › mayoMayo Clinic Minute: Can vitamin C keep the common cold away?

   newsnetwork.mayoclinic.org › discussion › mayo

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   Jan 24, 2024 · While it doesn't prevent you from getting a cold, Dr. Bracamonte says there is some limited research that additional vitamin C might speed up the recovery process slightly in some people.

6. www.healthline.com › nutrition › does-vitamin-c-helpVitamin C for Colds — Does It Actually Work? - Healthline

   www.healthline.com › nutrition › does-vitamin-c-help

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   Apr 24, 2018 · Does Vitamin C Have Any Effect on the Common Cold? Around 1970, Nobel prize winner Linus Pauling popularized the theory that vitamin C helps treat colds. He published a book about...

7. bmcpublichealth.biomedcentral.com › articles › 10Vitamin C reduces the severity of common colds: a meta ...

   bmcpublichealth.biomedcentral.com › articles › 10

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   Dec 11, 2023 · This review systematically compares the effects of vitamin C on severe and mild common cold symptoms. We included all placebo-controlled trials of orally administered vitamin C in doses of at least 1 g/day for the common cold for people in good health at baseline.

8. www.ncbi.nlm.nih.gov › pmc › articlesVitamin C in the Prevention and Treatment of the Common Cold

   www.ncbi.nlm.nih.gov › pmc › articles

   Feb 9, 2016 · The common cold causes enormous morbidity worldwide, and it is important to know the effects of vitamin C for both preventive and therapeutic purposes to correctly recommend the proper OTC product for these symptoms.

9. www.health.harvard.edu › cold-and-flu › can-vitaminCan vitamin C prevent a cold? - Harvard Health

   www.health.harvard.edu › cold-and-flu › can-vitamin

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   Oct 13, 2020 · For the general population, taking daily vitamin C does not reduce the risk of getting a cold. Taking at least 200 milligrams (mg) of vitamin C per day appears to reduce the duration of cold symptoms by an average of 8% in adults and 14% in children.