Oncology Dietitian Tara Whyand is normally keen to encourage better consumption of the key nutrients, but admits that it could be difficult to obtain apparently optimal doses from whole foods only. She comments Low levels of the antioxidant lycopene in the bloodstream have been linked with higher degrees of breast tumor, while high intakes of lycopene have been associated with a 50 percent decrease in lethal prostate tumor cases compared to those eating under 4mg a day.5. Oregano – the substance is contained by This herb carvacrol which includes been proven to be effective against blood pressure. In a study conducted on animal topics, by experts from Eskisehir Osmangazi University in Turkey, carvacrol was discovered to reduce heart rate, mean arterial pressure as well as the systolic and diastolic bloodstream pressures. 6. Hawthorn – This herb has been traditionally used to treat high blood pressure. In one study carried out in Reading, UK, 79 type-2 diabetics were randomized to receive 1200 mg of hawthorn extract while another group received medicine for high blood pressure. Results revealed that patients acquiring hawthorn by the end of the 16th week showed a decrease in their mean diastolic pressure. 7. Cardamom – In a single study published in the Indian Journal of Biochemistry and Biophysics, 20 subjects recently diagnosed with primary hypertension were administered 3 g of cardamom powder.