Depression is a common mental illness that affects many people. Other mental illnesses like anxiety affect both young and old. Although medical treatment with medicines is quite effective in treating these problems, there are several side effects of using these medicines. Alternative and natural treatment offers some type of help in such situations. Herbal remedies can be used for mental illness treatment. They are safe with no side effects. We will tell you about some herbs that can treat mental illnesses quite well. Chamomile, lavender and some other herbs help in calming the mind. Following are the best herbs for anxiety, depression and other mental illnesses.