There are several aspects to Ayurveda that are quite unique:
1.Its recommendations will often be different for each person regarding which foods and which lifestyle they should follow in order to be completely healthy. This is due to it's use of a constitutional model.
2.Everything in Ayurveda is validated by observation, inquiry, direct examination and knowledge derived from the ancient texts.
3.It understands that there are energetic forces that influence nature and human beings. These forces are called the Tridosha
4.Because Ayurveda sees a strong connection between the mind and the body, a huge amount of information is available regarding this relationship.