Selenium Cordyceps: 1, High Nutritional Value 2, Rich in 19 free amino acids 3, Rich in organic selenium,iron,zinc,etc. Selenium Cordyceps:1. Improving the human immune system significantly2. Protecting lungs and kidneys and preventing liver diseases3. Anti-hypoxia and anti-fatigue4. Anti-arrhythmic and lowering blood pressure5. Discharging heavy metal elements in the body6. Nourishing the kidney ...