Palo Azul, or Kidneywood, is a tree that boasts a range of medicinal properties. Its scientific name is Eysenhardtia polystachya. The bark of the tree can be useful in treating kidney disorders, bladder infections and ailments associated with diabetes, as stated by the National Institutes of Health.
Palo Azul is native to Mexico, and it thrives in grasslands and deciduous forests. The tree possesses antioxidants, which can help to relieve diseases caused by oxidative stress, according to the National Institutes of Health. Common methods to extract these capabilities involve decocting the bark, as well as drying it and turning it into powder, both of which can then be consumed.