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Common cold dietary supplements

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Dietary supplements and respiratory infections. What do the meta-analyses tell?

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Common cold dietary supplements

  1. 1. Dietary supplements, common cold and other respiratory infections. Data from meta-analyses. 21/12/20141 http://twitter.com/pronutritionist Reijo Laatikainen, Authorized Nutritionist, MBA http://twitter.com/pronutritionist http://www.facebook.com/pronutritionist
  2. 2. Page 2 Dietary supplements and respiratory infections (Meta-analyses only) http://twitter.com/pronutritionist Common cold Other respiratory infections (bacterial & influenza) Authors Vitamin C Does not prevent common cold. Decreases severity and duration of symptoms ? Hemilä et al.2007 Vitamin D ? Incidence of influenza and other viral infections and tuberculosis may decrease Alexandra et al. 2009 Zinc Does not prevent common cold. Decreases severity and duration of symptoms ? Singh & Das 2011 Probiotics ? No prophylaxis effects. Decreases severity and duration of symptoms Vouloumanou et al. 2009 Xylitol ? Prophylaxis decreased the risk of otitis media by 32 % Danhauer et al. 2010 Garlic Decreased the risk of common cold (only 1 eligible study) ? Lissiman et al. 2009

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