Cordyceps is a fungus that has long been used in in traditional Chinese medicine (TCM). Some people use it to try to boost energy and strength, improve immunity, enhance kidney function, and improve sexual dysfunction. It has also been used to treat cough and fatigue.
Cordyceps might improve immunity by stimulating cells and specific chemicals in the immune system. It might also help fight cancer cells and shrink tumor size, particularly with lung or skin cancers.


