Dietary supplements, common cold and other respiratory infections. Data

from meta-analyses.

11/04/20231http://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