In Cordyceps, there occurs a wide range of nutritionally important components including various types of essential amino acids, vitamins like B1, B2, B12 and K, different kinds of carbohydrates such as monosaccharide, oligosaccharides and various medicinally important polysaccharides, proteins, sterols, nucleosides, and other trace elements.
In the fruiting body and in the corpus of C. militaris, the reported total free amino acid content is 69.32 and 14.03 mg/g, respectively.
The fruiting body harbors many abundant amino acids such as lysine, glutamic acid, proline and threonine as well. The fruiting body is also rich in unsaturated fatty acids (e.g., linoleic acid), which comprises of about 70 % of the total fatty acids. There are differences in adenosine (0.18 and 0.06 %) and Cordycepin (0.97 and 0.36 %) contents between the fruiting body and the corpus, respectively.