Over the years the leaf & bark of Sour Sop tree is well known to Jamaican as a remedy to cure nerves problem, if you have any type of hand shaking just drink some Sour Sop leaf tea of boil the bark from the tree for a stronger dose. NOTE: We highly recommend that before using any herbal medications you should consult your health care provider or medical doctor for professional advice. Graviola Annona Muricata -Sour Sop Tree Leaves & Bark 36 Tea Bags