A combination of high-dose vitamin C plus zinc for the common cold
Open accessAbstract
Vitamin C and zinc play important roles in nutrition, immune defence and maintenance of health. Intake of both is often inadequate, even in affluent populations. The common cold continues to place a great burden on society in terms of suffering and economic loss. After an overview of the literature on the effects of the separate administration of either vitamin C or zinc against the common cold, this article presents data from two preliminary, double-blind, randomized, placebo-controlled trials, conducted with a combination of 1000 mg vitamin C plus 10 mg zinc in patients with the common cold. In both studies, a nonsignificant reduction of rhinorrhoea duration (range 9-27%) was seen. In pooled analyses of both studies (n=94), vitamin C plus zinc was significantly more efficient than placebo at reducing rhinorrhoea over 5 days of treatment. Furthermore, symptom relief was quicker and the product was well tolerated. In view of the burden associated with the common cold, supplementation with vitamin C plus zinc may represent an efficacious measure, with a good safety profile, against this infectious viral disease.
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One new trial satisfying the inclusion criteria was identified in the 2012 search (Constantini 2011a), and two new trials were added to the excluded trials list (Maggini 2012; Schmidt 2011).
“One new trial satisfying our inclusion criteria was identified in the 2012 search (Constantini 2011a) and two new trials were added to the excluded trials list (Maggini 2012; Schmidt 2011).”
From Vitamin C for preventing and treating the common cold (2013) · cites this paper as Maggini 2012
In Maggini 2012, the combination decreased the duration of rhinorrhoea.
“The combination decreased the duration or rhinorrhoea”
From Vitamin C for preventing and treating the common cold (2013) · cites this paper as Maggini 2012
Maggini 2012 used vitamin C in combination with zinc.
“Vitamin C in combination with zinc. 1 g/d vitamin C and 10 mg/d zinc for 94 participants.”
From Vitamin C for preventing and treating the common cold (2013) · cites this paper as Maggini 2012
When used in combination with zinc, vitamin C supplementation can relieve symptoms such as rhinorrhea in common cold.
“When used in combination with zinc, vitamin C supplementation can relieve symptoms such as rhinorrhea in common cold [110], which is commonly regarded as the most frequent and troublesome symptoms of the infection (along with nasal congestion) [111].”
From Immune function and micronutrient requirements change over the life course (2018) · cites this paper as [110]
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- Authors
- Maggini, S., Beveridge, S., & Suter, M.
- Affiliations
- Bayer (Switzerland) (CH)
- Basel, Switzerland
- Venue
- Journal of International Medical Research
- Publisher
- SAGE Publications
- Published
- 2012-02
- Volume
- 40
- Issue
- 1
- Pages
- 28-42
- ISSN
- 0300-0605 (ISSN-L)
- 1473-2300
- OpenAlex
- W2074803171
- Cited by
- 70
- References
- 73
- Citations by year
- 2026: 5 · 2025: 1 · 2024: 4 · 2023: 4 · 2022: 5 · 2021: 15 · 2020: 7 · 2019: 3 · 2018: 5 · 2017: 3 · 2016: 1 · 2015: 4 · 2014: 1 · 2013: 4 · 2012: 3
- FWCI
- 0.47
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Journal of International Medical Research (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Nursing › Nutrition and Dietetics › Vitamin C and Antioxidants Research
- Health Sciences › Medicine › Complementary and alternative medicine › Herbal Medicine Research Studies
- Health Sciences › Medicine › Pathology and Forensic Medicine › Vitamin D Research Studies
- Keywords
- common cold, vitamin C, zinc, combination supplementation, rhinorrhea, symptom duration, immune defence, vitamin deficiency, tolerability
- MeSH terms
- Ascorbic Acid, Common Cold, Dose-Response Relationship, Drug, Drug Therapy, Combination, Humans, Zinc, Randomized Controlled Trials as Topic
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