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   Does vitamin C help a cold?

   • A few common cold trials reported that vitamin C seemed to have a greater effect on more severe forms of the common cold, so we systematically compared the effect of vitamin C on mild vs. severe symptoms of colds.

   Vitamin C reduces the severity of common colds: a meta-analysis

   www.ncbi.nlm.nih.gov/pmc/articles/PMC10712193/

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   Does vitamin C halve the common cold risk?

   • In the latter subgroup, vitamin C halved the common cold risk, yet the doses in the trials were rather low, from 0.25 to 1 g/day. Prophylactic trials with the general population found no evidence that vitamin C would prevent colds, even though the highest prophylactic dose was 3 g/day (Karlowski 1975).

   Vitamin C for preventing and treating the common cold - PMC

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

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   Can a vitamin C deficiency cause a cold?

   • Vitamin C is essential for the proper functioning of immune cells. It is depleted during infections, so a vitamin C deficiency may increase their risk. There is no cure for the common cold. However, some foods and nutrients can help the body recover. In the past, people have used various foods to reduce their symptoms.

   Can Vitamin C Prevent or Cure Colds? - Healthline

   www.healthline.com/nutrition/does-vitamin-c-help-with-colds

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2. 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. The practical relevance of these findings is not clear.

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

   • Publish Year: 2005
   • Published: 2013/01

3. www.webmd.com › cold-and-flu › vitamin-c-for-common-coldVitamin C for Colds: Benefits, Side Effects, Uses - 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. 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 · January 24, 2024. Winter is cold and flu season. If you take in more vitamin C, will it help prevent you from getting sick? Dr. Jesse Bracamonte, a Mayo Clinic family physician, explains more about the health benefits of vitamin C in this Mayo Clinic Minute. Watch: The Mayo Clinic Minute.

5. www.mayoclinic.org › diseases-conditions › commonCold remedies: What works, what doesn't, what can't hurt

   www.mayoclinic.org › diseases-conditions › common

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   Jun 3, 2022 · There's no cure for the common cold. But what about cold remedies that claim to make you feel better faster? Find out what's effective — and what's not. By Mayo Clinic Staff. Cold remedies are almost as common as the common cold, but are they effective? Nothing can cure a cold.

6. 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 · 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. For the general population, taking daily vitamin C does not reduce the risk of getting a cold.

   • Location: 4 Blackfan Circle, 4th Floor, Boston, 02115, MA
   • Email: hhp_info@health.harvard.edu

   • Phone: (877) 649-9457

7. www.ncbi.nlm.nih.gov › pmc › articlesVitamin C reduces the severity of common colds: a meta ...

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

   Dec 11, 2023 · Compared to placebo, vitamin C significantly decreased the severity of the common cold by 15% (95% CI 9–21%). The direct comparison of the effect of vitamin C on mild and severe symptoms was limited to five comparisons which found that vitamin C had a significant benefit on the duration of severe symptoms.

8. www.healthline.com › nutrition › does-vitamin-c-helpCan Vitamin C Prevent or Cure Colds? - 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 cold prevention...