Emergen-C may help boost the immune system. However, evidence is lacking on whether it can treat and prevent colds. Emergen-C may be worth taking as a general immune booster, but the jury is still out ...

Airborne and Emergen-C are popular nutritional supplements. They both contain high levels of vitamin C, as well as other nutrients. The products claim to boost your immune system. However, you may be ...

Many Americans sniffle their way to the cold and flu aisle at the pharmacy when cold season starts. But supplements like vitamin C and zinc aren't the cure-alls they're made out to be. In fact, ...

When you're pregnant and feeling run-down, it's totally normal to eye those fizzy orange packets of Emergen-C and wonder if a vitamin boost could help. After all, vitamin C supports your immune system ...

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Many Americans sniffle their way to the cold and flu aisle at the pharmacy when cold season starts. But supplements like vitamin C and zinc aren't the cure-alls they're made out to be. In fact, ...

Amanda MacMillan is a health and science writer and editor. Her work appears across brands like Health, Prevention, SELF, O Magazine, Travel + Leisure, Time Out New York, and National Geographic's The ...