- The efficacy of Extra Strength VITA YIN YANG™ Capsules excels among Cordyceps Mycelia products available in the market as Extra Strength VITA YIN YANG™ Capsules is highly concentrated attaining a high level of bioactive components and newly added with Leucine. It is 33% more concentrated than the previous formula and helps to tonify kidney yin and lung yin. Extra Strength VITA YIN YANG™ Capsules is a gift for longevity and overall energy. It is extracted from premium grade cultivated Cordyceps Mycelia. It contains rich cordycepic acid, cordycepin, adenosine, adenine, alkaloids, polysaccharides, 19 types of amino acids, many vitamins and trace elements, etc. It is also a superb remedial & nutritional aid to inefficient qi in kidney and lung. The state-of-the-art extraction technology makes the presence of most active ingredients possible which can be readily absorbed by the human body to provide maximum benefits.