Herbal plants like the garden type of Dancus carota (carrot), have been found to inhibit cancer growth, improve sight and cure certain conditions of diabetes. Aloe vera, Garlic (Allium sativum),onions (Allium cepa), African mistletoe (Loranthus benguensis), are useful for cancer,hypertension, diabetes, etc (Farnsworth et al., 1985). The efficacy of a medicinal plant depends on the preparation of the plant material for consumption and/or remedy for various diseases. Some are taking raw, cooked, roasted,applied as topical, while some have to go through a process of extract preparation before use. All the various methods and root of intake is to enhance the bioavailability and hence, the efficacy of the plant material. However, if the method of preparation and intake of the plant material is wrongly applied, the desired result may not be achieved.