Learn the exact daily vitamin C amounts recommended for adults and why smokers need significantly more than the standard dose ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Vitamin C is an immune-boosting superhero. It’s also a nutrient that the body doesn’t make (unlike ...

Vitamin C is an immune-boosting superhero. It’s also a nutrient that the body doesn’t make (unlike vitamin D), so you need to get it from your diet or a supplement. Besides bolstering the immune ...