Cordyceps
Cordyceps is a genus of fungi that grow on insect larvae and are known from traditional Chinese medicine. Supplements mostly use cultivated strains.
Also listed as Cordyceps Sinensis, Cordyceps Militaris, Caterpillar Fungus, Cetepiller Mushroom
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Which cordyceps is being discussed?
Cordyceps products draw on different fungi and preparations. Research includes Cordyceps militaris and cultured Cs-4 preparations described as Cordyceps sinensis. Their results belong to those preparations, rather than every capsule carrying the cordyceps name. 1 2
Why might it affect the body?
Laboratory research has found effects on immune-cell signaling and platelet activity; cordycepin is one studied constituent. These experiments suggest mechanisms, but cannot establish better stamina or fewer infections in people. 3
Why people take it
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Questions people ask
Does “medicinal mushroom” mean an approved medicine?
No. The Verbraucherzentrale describes “Vitalpilz” as a marketing term and warns against replacing cancer treatment with these products. 4
What doses have studies used?
The 2026 review reports 1–12 g daily for 1–16 weeks, with differing preparations. That range is not a dosing recommendation. 1
Did the older-adult trial increase VO2 max?
No. Maximum oxygen uptake did not change in either group. 2