A method of lowering diastolic blood pressure and LDL cholesterol in a human subject. The method consists of the steps of: (a) administering to the human subject a mixture of cold-pressed botanic seed oils; (b) administering to the human subject the mixture of cold-pressed botanic seed oils and a mixture of botanic seed flours; and (c) lowering the human subject's diastolic blood pressure and LDL cholesterol.A method of measurement of the synergistic effect of cold-pressed botanic seed oils and botanic seed flours in lowering diastolic blood pressure and LDL cholesterol in a human subject. The method consists of the steps of: a) administering to the human subject a mixture of cold-pressed botanic seed oils; b) administering to the human subject a mixture of botanic seed flours; and c) measuring the human subject's diastolic blood pressure and LDL cholesterol.A composition of matter exhibiting diastolic blood pressure lowering activity and LDL cholesterol lowering activity in a human subject. The composition of matter consists of a mixture of cold-pressed botanic seed oils and a mixture of botanic seed flours.