Mint relaxes the peripheral blood vessels, calms smooth muscle spasms, dries dampness, expels phlegm, and clears the head. It is regarded as an excellent remedy for stomach cramps due to its ability to reduce hypercontractability of the intestinal muscles. It is often added to formulas using laxative herbs, such as cascara sagrada, to prevent intestinal gripe. Peppermint is considered the strongest mint medicinally, though the other mints have medicinal benefit as well. Peppermint has activity against a wide range of pathogens including streptococcus, staphylococcus, and candida.
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.
Horehound mildly stimulates cardiopulmonary activity, encourages the body to expel phlegm, clears heat and toxins, and deters infection. The essential oils in horehound help dilate the arteries and relieve lung congestion.
Cinnamon has been traditionally taken as a warming herb for "cold" conditions, often in combination with ginger. The herb stimulates the circulation, especially to the fingers and toes. Cinnamon is also a traditional remedy for digestive problems, such as nausea, vomiting, and diarrhoea, as well as for aching muscles and other symptoms of viral conditions such as colds.
Green tea's strong antioxidant activity is due to polyphenols, which give the leaf potential as a cancer preventive. The high intake of green tea in China and Japan is thought to be partly responsible for the low incidence of cancer in these countries.
Cloves may protect the liver, reduce inflammation of the mouth and pharynx, and help with dental pain when used as a topical anesthetic. In ayurvedic medicine it is used for halitosis, eye disease, toothache, flatulence, colic, and anorexia.