Evidence Level
Cordyceps is a traditional Chinese medicine that has been extensively studied for its potential health benefits. Research highlights its applications in cancer treatment, kidney function, and exercise performance. A systematic review by Wang et al. (2024) evaluated 12 randomized controlled trials involving 928 participants, concluding that Cordyceps sinensis as an adjuvant treatment for lung cancer improves tumor response, immune function, quality of life, and reduces adverse drug reactions compared to conventional therapy. Similarly, Wu et al. (2024) conducted a systematic review and meta-analysis of 15 studies involving 1,310 patients with renal dysfunction, demonstrating that Cordyceps sinensis significantly improves kidney function and clinical outcomes.
In the context of exercise performance, Hirsch et al. (2017) demonstrated that Cordyceps militaris supplementation enhances VO2 max and exercise tolerance in healthy young adults. However, Jia et al. (2016) noted that while preclinical data are promising, human clinical trials remain limited in number and quality.
Cordyceps militaris (fruiting body) reliably contains cordycepin, whereas many CS-4 mycelium products may contain minimal active compounds due to growth on grain substrates. This distinction is important for ensuring efficacy in supplementation.