Fo-Ti is recommended as a tonic to maintain youthful vigour, increase energy, tone the kidneys and liver, and purify the blood. It is said to have the effects of darkening prematurely grey hair.
Native Americans used this herb externally for burns, swelling of the lymph nodes, and insect bites. Internally, it was used for pain associated with headaches and stomachaches, measles, coughs, and gonorrhea. It was also used for rattlesnake bites. Today, the herb is used for prophylaxis and treatment of flu, sepsis, and mild to moderate cold infections.
Epimedium warms the kidneys, tonifies yang, stimulates the pituitary gland and thus the gonads and increases sperm production and motility. It also dilates capillaries and larger blood vessels, strengthens bones, improves metabolism, and exhibits a mild androgenic effect.
Tribulus has a long history of use in ancient Greece and India as a physical rejuvenation tonic. In China, it is used as a component of therapy for conditions affecting the liver, kidney, cardiovascular system, and immune system. It has also been used in Eastern European folk medicine for increased muscle strength and sexual potency.
Passionflower is an aid for those who overwork, being both invigorating and soothing. It aids concentration; calms the spirit, central nervous system, liver, and heart; relaxes the nerves; slightly lowers blood pressure; increases the respiratory rate; helps slow down the breakdown of neurotransmitters; and induces rest. It aids sleep without leaving one feeling hung over the next morning, and, of course, it is not addictive.
Skullcap calms and strengthens the nerves, relaxes spasms, relieves pain, and promotes rest. It can help rebuild nerve sheaths. One of its constituents, scutellarin, is transformed in the body into scutellarein, which helps stimulate the brain to produce more endorphins.