Studies show that it has a strong flavonoid that significantly improves blood circulation, especially to the brain. It has been used to treat headaches, vertigo, auditory nerve damage, lung and bronchial congestion, senile dementia as well as Alzheimer's disease. Most people take it for mental acuity.

GOTU COLA

It is a blood purifier and will reduce fever. A good tonic from India and Africa often found in combination with ginseng, dong kuei, kelp and sasparilla.

MA HUANG (Ephedra)

It is a strong stimulant used for bronchial and congestive conditions. It is used in many formulas to treat colds, asthma, bronchial problems and alergies.