A study to evaluate the safety and efficacy of a complementary medicine formulation, to help relieve cold & flu symptoms and reduce duration of a cold, in otherwise healthy adults.

INTERVENTION: Treatment commences on the day that the cold/flu symptoms appear and continue for the following 10 days. The trial is completed once a subject has experienced a cold/flu episode. The Day‐time capsule (1 capsule 4 times/day) Echinacea purpurea juice equiv fresh flowering herb 4g, Salix alba equiv. fresh stem bark 1.2g, Ascorbic acid (Vitamin C) 250mg, Zinc (as sulfate monohydrate), 12mg, Garlic oil (Allium sativum) equiv. fresh bulb 2.5g, Zingiber officinale equiv. dry rhizome 500mg and Glycyrrhiza glabra equiv. dry rhizome 500mg The Night‐time Capsule (1 capsule each day before sleep): Valeriana officinalis equiv. dry root 2g, Echinacea purpurea juice equiv fresh flowering herb 2g, Salix alba equiv. fresh stem bark 1g, Garlic oil (Allium sativum ) 500mg and Glycyrrhiza glabara equiv. dry rhizome 500mg. CONDITION: Treatment of Influenza Treatment of the Common Cold PRIMARY OUTCOME: Relief of cold and influenza symptoms SECONDARY OUTCOME: nil INCLUSION CRITERIA: Healthy volunteers aged between 18 and 65.