Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Cordyceps, a genus of parasitic fungi, has been traditionally used in Chinese medicine to enhance physical performance and combat fatigue. In recent decades, scientific interest has grown regarding its potential effects on muscle function and exercise capacity. Several studies, mostly small-scale and some using animal models, suggest that Cordyceps sinensis and Cordyceps militaris may improve exercise performance by enhancing ATP (adenosine triphosphate) production, increasing oxygen utilization, and reducing fatigue. For example, a 2010 randomized, double-blind, placebo-controlled trial published in the Journal of Alternative and Complementary Medicine found that supplementation with a Cordyceps extract improved exercise performance in older adults. Animal research also indicates increased endurance and reduced muscle damage after supplementation. Mechanistically, cordycepin and other bioactive compounds in Cordyceps may enhance mitochondrial function and antioxidative capacity in muscle tissues. However, systematic reviews and meta-analyses point out that the clinical evidence is still limited by small sample sizes, short durations, and variability in product quality. Overall, while there is a scientific rationale and some preliminary evidence that Cordyceps might support muscle performance and recovery, more large-scale, rigorous human studies are needed to confirm these effects and clarify optimal dosing.

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