It has been said that Americans are more adversely affected by parasites than most people living in third world countries are. The Chief of the Laboratory for Parasitic Diseases at the National Institute of Health, Dr. Frank Nova says, "In terms of numbers, there are more parasitic infections acquired in this country than in Africa. This is thought to be true because of the highly processed food, stressful living conditions, lack of exercise and the over use of antibiotics routinely prescribed for such things as a common cold.

Dr. Hazel Parcels states that "85% of adult North Americans are infected with parasites.

Parasites can and do inhabit the bloodstream, muscle tissue, the digestive tract, the brain, the heart, the liver and the kidneys and other parts of the body. Parasites become embedded into their "new" environment and are very difficult to eliminate. Olive Leaf Extract effects a powerful anti-parasitic response against such foreign invaders. Amoebi, cryptosporidia, giardia, pinworm and roundworm are some of the more familiar parasites that Olive Leaf Extract kills.