Cordyceps Supplement by GinSen are pure and highest quality cordyceps extract (cordyceps sinensis). 100% Cordyceps with no added ingredient or fillers. Ideal to add to your daily routine to harness its many health benefits. Cordyceps sinensis has been a staple in Chinese Medicine for centuries, it possesses potent antioxidant and immune boosting properties. Cordyceps can also be used for boosting energy and stamina, reducing fatigue, persistent cough as well as fertility concerns.