Several systems of herbal medicine are used today, yet they all share the viewpoint of treating the body as a whole and using each plant's unique energies to synergistically work with the energy of each patient. The most prevalent systems are Western, Ayurvedic, Chinese, Native American, and European. Herbs are foods, as well as medicines, and must be used with moderation. There are 5 accepted major classifications of herbs. Aromatic, Astringent, Bitter, Mucilaginous, and Nutritive. Herbs can be dispensed in many ways. Tinctures, capsules, tablets, teas, juices, decoctions, poultices, infused oils, salves and ointments, lotions, and syrups are some examples.