Also known as the cancer bush. It dries in the drier parts of South Africa. It has been used as medicine by the Khoi-San people. It is rich in amino acids. Siberian ginseng is a plant that contains many chemicals that affect the brain, immune system, and certain hormones. It contains chemicals that have activity against some bacteria and viruses. Used for conditions of the heart such as high blood pressure, hardening of the arteries, and heart disease. Also used for Alzheimer’s disease, fibromyalgia, rheumatoid arthritis, flu, colds, bronchitis, and tuberculosis. It improves the ability to do work and improves athletic performance and also boosts the immune system.