Uncaria rhynchophylla - shown to have major effects on the on blood pressure. American researchers conducted clinical tests of Uncaria and found that it decreased blood pressure. Hypertine does not make the claim that it will decrease blood pressure nor cure, prevent or control any disease. Eurcommia ulmoides - The university of Wisconsin , School of pharmacy conducted separate tests on Eucommia and found this substance to vasodilate the arteries. Hypertine does not make the claim that it will cause vasodilation nor cure, prevent or control any disease. Cassia Obtusifolia - used in Chinese practices for controlling cholesterol. Hypertine does not make the claim that it will control cholesterol nor cure, prevent or control any disease. Prunella vulgaris - is in traditional Chinese practices for blood pressue originating at the kidneys. Hypertine does not make the claim that it will decrease blood pressure nor cure, prevent or control any disease.