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Summary of randomized, controlled trials of the impact of nutritional interventions on infections in the non-hospitalized population |
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| Intervention |
Effect |
Reference |
|
|
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| Zinc supplementation |
No effect on common colds |
11 |
| Zinc supplementation |
reduced infection incidence in sickle cell patients |
12 |
| Zinc and selenium supplementation |
Reduced infection incidence |
18 |
| Vitamin and mineral supplementation |
Reduced infection incidence in type II diabetics only |
13 |
| Vitamin and mineral supplementation |
Reduced infection incidence |
17 |
| Multivitamin supplements |
No effect on infection incidence |
14 |
| Multivitamin supplements |
No effect on pneumonia incidence |
15 |
| Vitamin E supplements |
Reduced URI rate, no effect on lower respiratory tract rate |
16 |
| Vitamin C therapy or supplements |
No effect on common cold unless used in hypothermic conditions |
26 |
| Cranberry juice |
Reduced incidence of bacteriuria |
29, 30 |
| Yogurt |
Reduced diarrhea incidence in adults taking antibiotics |
32 |
| Yogurt |
No effect on diarrhea incidence |
33 |
| Lactobacilli |
Reduced incidence of diarrhea in children |
34–36 |
| Lactobacilli |
No effect on diarrhea incidence in adults |
37 |
Donabedian Nutrition Journal 2006 5:21 doi:10.1186/1475-2891-5-21 |
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