The leaves of passion flower have been shown to make a nonaddictive sedative that relaxes the nervous system. Passion flower seems especially helpful when physical or mental strain results in insomnia or stress.
Marshmallow root is an ingredient in many lung preparations and cough syrups, as well as preparations for urinary tract problems, stomach ailments, and wound healing.
Olive leaves lower blood pressure and helps to improve the function of the circulatory system. They are also mildly diuretic and may be used to treat conditions such as cystitis. Possessing some ability to lower blood sugar levels, the leaves have been taken for diabetes.
A classically bitter and tonic herb, Andrographis exerts a wide range of protective effects on the body - mostly through its ability to stimulate the immune system, especially macrophages, and to protect the liver from damage, whether by infection or poisoning.