Carqueja Leaf Powder (Baccharis genistelloides) Carqueja has long been used for digestive disorders , to strengthen stomach and intestinal function , and to help purge obstructions of the liver and gallbladder , as well as a good blood cleanser and fever reducer. Also used for sterility in women and impotency in men.* Disclaimer: *These statements and uses are not evaluated by the FDA the product is not intended to diagnose, treat, cure, or prevent any disease.