Cordyceps sinensis, also known as the caterpillar fungus, an organism capable of transforming from a winter insect to a summer plant (DongChongXiaCao = summer plant, winter insect), first described in 620 BC in China, during the Tang Dynasty, is one of the most highly regarded remedies in Oriental Medicine, particularly Tibetan medicine. It is very rare and prized for its properties. It grows at high altitudes in the Tibetan plateaus, between 3,000 and 5,000 meters. It is a parasitic fungus that grows and develops on insects it infects in the autumn and kills the following summer, growing inside their bodies and only developing the fruiting body at the end. It boosts the immune response and is particularly effective as an antimicrobial (viruses, bacteria, etc.). It provides vital energy, improves energy metabolism, supports cognitive and athletic performance, and improves fertility and sexual function through neuroendocrine rebalancing. Protects heart and cardiovascular function and supports the liver. It has a marked anti-aging effect. Take 1 capsule 2-3 times a day, with plenty of water. It is recommended to take vitamin C at the same time, as it promotes enteric absorption of polysaccharides.