Olive Leaf, a natural herbal antibiotic and antioxidant that can help or prevent many diseases. The active compounds Oleuropein in Olive leaf have been reported to act as an Antimicrobial agent, which slows invaders enough for the body's natural immune system to react. The result is a natural antibiotic and antioxidant with similar effects to garlic and onions. KINGHERBS's Olive Leaf extract contains no additives or preservatives. It can prevents colds and flus, cardiovascular disease and cancer.1. It is used for the treatment of malaria. Olive leaf extract traditionally received little attention in medical circles. 2. It has a similar antiviral action to many anti-retroviral drugs,as both a potent protease and reverse transcriptase inhibitor. 3. It also appears to be effective in the treatment of many of the opportunistic infections associated.