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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
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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Common cold dietary supplements

  • 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. 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