Buchu is a small shrub native to the Cape region of South Africa. The dried leaves are harvested during the flowering period. Swanson Buchu Leaf Extract 4:1 is perhaps one of the most exotic plants. Buchu leaf has been used historically to promote gastrointestinal and urinary tract health. Full Spectrum Buchu Leaf Extract: Buchu Leaf Extract (Full Spectrum) Traditionally used to support gastrointestinal and urinary tract health 100mg per capsule Dosage: Take 1 capsule 1-2 times daily with water.