Indigenous to Polynesia and the Pacific Ocean islands. Part of the pepper family, kava-kava is used to calm down. You can chew a few of the shrub's leaves to relax, but the best antistress medicine is in the roots, which are often dried, ground, and used to make tea. Its a perfect antithesis (and antidote) to coffee- and about as safe, too.

Kava-kava can also help with epilepsey, fatigue, hyperactivity, dizziness, menopause, palpitations, toothache, stomachache, bronchitis, colic, gonorrhea, gout, hemorrhoids, leprosy, vaginitis, and venereal disease.

Kelp is a Sea Vegetable, it is brown with long stems. It contains concentrated sources of minerals and nutrients including Iodine, potassium, magnesium, calcium and iron.

Kelp is best known for its high Iodine content, which has a vital role in health and vitality. Iodine is used by the Thyroid gland to produce the hormone thyroxin that helps regulate the speed at which our body burns fats and sugar, as well as controlling cholesteraol levels.

It can also help maintain healthy skin and hair.

Kudzu is found across southeastern United States, but it is native to Asia. It is used to treat diarrhea and dysentery. Research has concluded that extracts may strengthen the livers ability to fend off damage from toxins and even help the organ regenerate itself. The isoflavone genistein fights leukemia and deters tumor development and growth.

Kudzu can also help with Alcoholism, breast cancer, chest pain, cirrhosis and other liver diseases, deafness, high blood pressure, irregular heart rhythem, osteoporosis, diabetes, hives, measles, and psoriasis.