Noni
Used for: sore joints, tired muscles, skin trouble, and general strengthening after illness. One of the most respected la'au lapa'au plants in Hawaii.
How to use: ripe fruit is left in a covered glass jar in the sun until it softens into juice, then strained and taken a spoonful at a time. Warmed leaves are wrapped over an aching knee, back, or bruise and held in place with cloth.