GO VIR-DEFENCE EXTRA STRENGTH is a natural supplement formulated to support immune system health and provide relief from cold and flu symptoms. It contains a blend of immune-boosting ingredients, including olive leaf, echinacea, andrographis, elderberry, vitamin C, and zinc, which work together to support the body's natural defenses against infections. GO VIR-DEFENCE EXTRA STRENGTH is designed for adults and comes in a convenient capsule form. The recommended dosage is one capsule taken two times a day with food, or as directed by your healthcare professional.