A one-celled plant that grows in water and has an amino acid pattern similar to animal protein. Contains a significant amount of essential fatty acids, iron, B-12, and minerals. It can be used to boost immunity and energy levels, to help with detoxification and smoking cessation, and to prevent altitude sickness. Chlorella increases the excretion of heavy metals like mercury and cadmium from the body. It bolsters the immune system by stimulating macrophage activity, natural killer cell activity, and interferon production. It improves the response of T-cells and has anti-tumor activity. Chlorella is also a source of quercetin, an anti-inflammatory substance that helps conditions such as allergies, fibromyalgia, and asthma.