Cordyceps for training: what the studies actually looked at
Cordyceps is the mushroom with the sports story. Every functional mushroom brand leans on it for the pre workout angle, the word endurance turns up in nearly every description, and there is a well worn tale about Chinese runners in the early nineties. Some of that reputation is earned and some of it is marketing. This article goes through what the human studies actually did, who they tested, what they found and what they did not, so you can decide what Cordyceps is worth in your own training rather than take anyone's word for it, ours included.
What is Cordyceps? Cordyceps militaris vs sinensis
Two things get called Cordyceps. The famous one, Ophiocordyceps sinensis, grows wild on the Tibetan plateau by colonising a caterpillar, is harvested by hand, and sells for more per gram than gold. Almost nobody is drinking it. The one in nearly every supplement and every mushroom coffee is Cordyceps militaris, a related species that can be cultivated indoors, produces a proper orange fruiting body, and contains higher levels of cordycepin, the compound researchers are most interested in. That is not a compromise. The cultivated species is the one that can be grown from fruiting body, standardised and dual extracted; the wild one, at any realistic price, is either mycelium fermented in a tank or is not really Cordyceps at all. Our pack lists Cordyceps as part of the six mushroom blend; we are confirming the species and extraction details with our supplier and will publish them once we have them in writing.
Traditional use of Cordyceps
In traditional Chinese practice Cordyceps was taken for stamina, for recovery from illness and fatigue, and for what would now loosely be called vitality, particularly in older people. It was expensive, so it was used sparingly and consistently rather than in acute doses. As with Reishi, the traditional record describes a tonic taken over time, not a stimulant, which is worth keeping in mind when the modern framing turns it into a pre workout.
Cordyceps and exercise: what the human studies found
The research on Cordyceps and exercise in people is small, and the results split fairly cleanly depending on who was tested. In older, sedentary adults, a handful of small trials using a Cordyceps extract for several weeks reported modest improvements in measures like metabolic threshold and ventilatory threshold, the points during exercise where breathing and metabolism shift. In young healthy adults, one small trial reported a small improvement in maximal oxygen uptake and time to exhaustion after three weeks of a Cordyceps militaris containing blend, with no significant effect after one week. In trained endurance athletes, two well conducted trials found no measurable effect on performance at all. Put together, the fair reading is this: research suggests Cordyceps may support aerobic capacity in people who are untrained, older or starting from a low base, taken daily over weeks; it has not been shown to do anything for people who are already fit; and nobody has demonstrated an acute effect from a single serve on the morning of a session.
What Cordyceps research has not shown
This section matters more than the last one. No human trial has shown Cordyceps builds muscle, burns fat, raises testosterone or improves strength. The endurance trials that found something used daily supplementation for weeks, not a scoop an hour before the gym. The doses in those trials were extract doses that a blended coffee does not replicate. And the famous story about record breaking Chinese runners in 1993 has never been separated from the rest of their training programme, so it tells you nothing on its own. If a product page implies Cordyceps will make you noticeably faster or stronger, it is ahead of the evidence, and by a fair margin.
Why use Cordyceps coffee as a pre workout?
Because the honest case is still a reasonable one. Coffee is already the most studied and most reliably effective pre workout ingredient there is; caffeine improves perceived effort and endurance performance in a large body of research, and about 48mg is enough for a measurable lift in most people without the racing heart a double espresso can bring to a hard session. Cordyceps sits behind that as the slow, daily ingredient, with a long traditional use for stamina and early research pointing in an encouraging direction for the people most likely to be reading this, which is to say ordinary people starting or returning to training rather than elite cyclists. You are not drinking it for the session in front of you. You are drinking it every morning and letting the weeks add up, and the coffee is what makes that consistency easy. Our guide to the best time to drink mushroom coffee covers the pre workout timing in detail.
How to drink Cordyceps coffee before training
Treat it like coffee, because it is coffee. A serve 30 to 60 minutes before training gives the caffeine time to peak. At about 48mg a serve, most people tolerate it well before even an early session, and if you want more of a lift, a second serve is still under the caffeine of one flat white. Take it daily rather than only on training days; every study that found anything used continuous daily intake. And keep expectations where the research is: a gentler, steadier coffee to train on, with a traditional stamina ingredient attached, rather than a performance supplement. The full caffeine numbers, including how it stacks against a flat white and an energy drink, are in how much caffeine is in mushroom coffee.
Cordyceps fruiting body vs mycelium
Cordyceps militaris is one of the mushrooms where the fruiting body versus mycelium difference is easiest to see, because the fruiting body is where cordycepin concentrates. A Cordyceps product grown as mycelium on grain will typically contain very little of it. Mello lists Cordyceps with the other five mushrooms as one extract blend on the pack. We are confirming the extraction method and per mushroom amounts with our supplier and will publish them here once we have them in writing. The studies themselves, with a plain language summary, are on the Cordyceps research page.
Who should be careful with Cordyceps
Cordyceps is well tolerated at food and beverage doses. Because it has been studied for effects on blood sugar and blood clotting in laboratory settings, anyone managing diabetes or taking blood thinning medication should talk to their pharmacist first. Pregnant or breastfeeding, or managing any medical condition, check with your GP before adding any mushroom extract. Anyone with a mushroom allergy should avoid the category, and the coffee blend contains coconut milk and MCT oil, so anyone with a coconut allergy should choose the matcha or skip it. Competitive athletes subject to drug testing should note that mushroom extracts are foods, not banned substances, but should always check their own sport's rules for any supplement.
Cordyceps for training: the short version
Cordyceps has a long traditional use for stamina and a small, mixed body of human research: encouraging in untrained and older adults over weeks of daily use, nothing in trained athletes, and no evidence of an acute effect from a single serve. It is a sensible ingredient to take every day with your coffee and an oversold one as a pre workout in its own right. The caffeine in the cup is doing the work on session day; the Cordyceps is playing a longer game. It is one of six mushrooms in every serve of Mello Mushroom Coffee, and the same six sit in the Mushroom Matcha if you prefer to train on green tea.