Have a cold? Here are the vitamins that protect us
Does Emergen-C work? If you're already sick, for prevention, and more
The best supplements to see off a winter cold or flu
Can supplements help prevent or fight off a cold or the flu? | Center for Science in the Public Interest
4 foods to ease cold and flu symptoms | Prevention | UT Southwestern Medical Center
Lemsip Max Day & Night Cold & Flu Relief Capsules - 24 pack - The Independent Pharmacy
NUTRADEFENCE - Immune System Vitamins | Immune System Booster - 30 Tablets - Immune Support for Cold and Flu - Contains Elderberry, Eucalyptus, Vitamin D, Vitamin C & Zinc - by NutraVit :
Vitamins & Supplements for Colds and Flu | Martin's Wellness