Taking vitamin C pills every day doesn't really help prevent colds for most people, according to research.

Taking vitamin C pills every day doesn't really help prevent colds for most people, according to studies with thousands of participants.

Taking vitamin C pills every day might make your colds less severe, according to some studies that looked at healthy people.

Vitamin C helps reduce bad cold symptoms a lot (by about a quarter), but doesn't really help with mild cold symptoms. This is based on studies of over 2700 colds.

Taking vitamin C pills might help a little with colds, especially for people who are under a lot of physical stress or don't get enough vitamin C from their diet.

Taking vitamin C pills might make your cold symptoms less severe if you're a healthy person.