Cordyceps Militaris
Research Reliability -
A medicinal fungus studied for boosting cellular ATP production and VO2 max, popular among endurance biohackers.
Appetite
Mood
Sleep
Cordyceps Militaris
Description
Cordyceps militaris is the cultivated, sustainably sourced cousin of the rare wild Cordyceps sinensis and contains comparable levels of cordycepin and adenosine, compounds studied for increasing cellular ATP production and oxygen utilization. Several small human trials show modest but measurable improvements in VO2 max and exercise time-to-exhaustion, particularly in older or previously sedentary adults, making it a staple in endurance-athlete biohacking stacks alongside more established options like beta-alanine and creatine.
Effects
First week
subtle
Weeks 2–4
Ongoing
How It Feels
A gentle endurance and energy supporter rather than a stimulant; athletes sometimes notice easier breathing or stamina over a few weeks. It is calm energy, not a jolt. Effects build with consistent use.
Evidence
Evidence Strength
Preliminary (limited / small human data)
Caveats
Performance benefits are inconsistently replicated across the small number of available human trials.
Usage
Commonly Referenced Starting Amount
500 mg/day
Commonly Referenced Amount
1–3 g/day covers the range used in exercise-performance research, with mixed results
Referenced Upper Limit
No upper limit has been established
Onset
2–4 weeks
Biomarkers to Track
Subjective
(Daily)
Exercise endurance and perceived exertion
Energy levels (1–10)
Recovery time between training sessions
Objective
(Quarterly)
VO2 max (lab or wearable estimate)
Resting and exercise heart rate
Lactate threshold (if tested)
Generally safe. Mild digestive upset at most.
People with autoimmune conditions or on blood thinners should check, and pregnant women.
Expecting a stimulant jolt, when it builds calm endurance over weeks.
Disclaimer
This information is for educational purposes only and is not medical advice. It is not intended to diagnose, treat, cure, or prevent any disease. Consult a qualified healthcare provider before starting any new supplement, especially if you are pregnant, nursing, taking medication, or managing a health condition.
Chen S et al. (2010). Journal of Alternative and Complementary Medicine, 16(5), 585-590. RCT (Cordyceps and exercise performance/VO2). PMID: 20804368.
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