GO Healthy GO Vir-Defence is a natural herbal formula containing olive leaf extract, garlic extract, echinacea and Pau D'Arco, along with Vitamin C as a antioxidant and immunity booster. GO Vir-Defence is designed to support recovery from winter ills and chills, as it supports a strong immune system and the body's defences to deal with winter threats. Those who should consider taking GO Vir-Defence are those who suffer easily from winters ills and chills, and just seem to get sick every year. GO Healthy GO Vir-Defence can be taken as both a preventative or during illness to support reducing the symptoms or time spent ill.