Shad Darshan are the 6 main branches of [[wp>Indian philosophy]] which [[Ayurveda]] has accepted and supports. They are:
Ayurveda later integrated the philosophies of Buddhism, whose founder is Shakyamuni, or historically Siddartha Gautama. Although called Shad (six) Darshan (philosophies), Buddhism becomes the seventh spoke in this wheel of knowledge. Lad, p. 21.
Vasant Lad, M.A.Sc., //Textbook of Ayurveda Volume 1//, 2002: p. 21
Source: Vaidya Vasant Lad, BAMS, MASc, Ayurvedic Studies Program Gurukula Mount Madonna Class Notes, 1996-1997-1998-1999-2000-2001-2002