Garlichol synergizes the effects to reduce high cholesterol levels. Garlic oil also aids in reducing the viscosity of the blood. Black seed possesses a number of biological components improving the integrity of action. Garlic oil and black seed oil are both immuno-potent herbs providing all round protection to the body. Garlic is used for many conditions related to the heart and blood system, such as High blood pressure, high cholesterol, heart diseases, heart attack.