By

Michelle Castillo /

CBS News/ January 23, 2013, 4:44 PM

Natural cold and flu remedies: What works?

Oscillococcinum

Play Video

CDC warns of flu season with high rate of attack

Oscillococcinum may reduce the duration of the flu by about six hours, but has no effect on preventing it, Graham said. Thus, the data are not strong enough to make a general recommendation to use Oscillococcinum for flu.

What we do know is the tiny, white spheres are made up of Muscovy Duck liver and heart extracts and sugar, which is what gives it its sweet taste.