This book provide valuable baseline information about the herbs and medicinal plants found in South Asian region especially in Pakistan.There are many benefits of herbs.Since ancient times, spices and herbs are used to treat illness.Still today more than 90% of world population relies completely on raw herbs and unrefined extracts as medicines. Herbs contain some anti-oxidants, essential oils, vitamins, and many other plants derived nutrient substances which help our body to fight against germs, toxins and to boost immunity level.Medicinal plants play an important role in the lives of rural people.Therefore, it is necessary to regulate the level of essential and trace metals found in these plants.