10 Top Winter Cold & Flu Supplements - As the winter weather continues to keep people close together indoors, viruses causing influenza and the common cold are able to more easily multiply. However, there are ways to prevent these unwanted germs from invading your body. Here is a list of the top ten dietary supplements that help the immune system fight and repel cold and flu bugs.
AHCC (active hexose correlated compound) is made from mushrooms. This supplement was first developed in Japan in the late 1980s and has been used ...