This is another blend that supplies nutritiion to the parathyroid gland. Contains blackberry leaf, dwarf elder bark and more. These statements have not been evualated or approved by the FDA and you are taking this at your own risk. Contains some caffeine so it is best taken at breakfast and lunch. 616*CHI TIEN #1 (Parathyroid): skullcap flower, Damiana leaf, alfalfa leaf, guarana seed(or Mormon tea leaf), hydrangea root, couch grass root, dwarf elder bark and more.