Works Rapidly in Helping to Boost the Immune System!A natural supplement of olive leaf extract contains substantial medicinal benefits. Boosting the energy among patients and aiding in the treatment of herpes and other viral conditions, flu and colds, fungal infections, chronic fatigue and allergies. It works rapidly in helping to boost the immune system. It is very effective against many strains of virus, bacteria, and fungus. It also has antioxidant properties. Additionally, Olive Leaf Extract provides a vasodilator effect on smooth muscle layers of the vascular system, promoting flexible arterial walls and healthy blood flow.