Use of antibiotics within the previous 6 months

History of alcohol or drug abuse

Intake of any experimental drug within 4 weeks of the start of the study

Excessive alcohol consumption (more than 21 units/wk male, 15 units/wk female)

Females who are breast-feeding, may be pregnant, or of child-bearing potential and not using effective contraceptive precautions

Have had recently (in the last 5 years) major surgery, which might limit participation in, or completion of, the study.

On drug treatment for high blood fats, high blood pressure and blood clotting.

Physical or mental diseases that are likely to limit participation or completion of the study

Olive Leaf Extract as Part of a Healthy Lifestyle in the Reduction of Blood Pressure