Goji has nineteen amino acids and contains all nine essential amino acids: Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan and Valine. These are very essential to proper body functions. Goji has higher levels of vitamin C than oranges and has more protein than whole wheat. Goji contains 21 trace minerals, including germanium, a trace mineral rarely found in foods. Goji also contains Beta-Sitosterol, an anti-inflammatory agent. Goji has a complete spectrum of antioxidant carotenoids, including beta-carotene (a better source than even carrots) and zeaxanthin (protects the eyes). Goji berries are among the richest source of carotenoids of all known foods. Goji also contains complex B-vitamins. These are necessary to convert food into energy. Goji is a great source of essential fatty acids, which are required for the body's production of hormones and the smooth functioning of the brain and nervous system. Scientific research on Goji over the last 10 years demonstrated great promise for Goji in the areas of weight loss, joint health, anti-aging and cardiovascular health.