Medicinal Mushroom
Cordyceps Mushroom
A functional mushroom known for supporting energy, endurance, and overall vitality.
KÖGN Health grades Cordyceps Mushroom as B+ (Moderate evidence) and rates it 3.9 out of 5.
Last reviewed · June 2026
Primary effects
- Increased energy
- Improved endurance
- Reduced fatigue
How it works
Improves oxygen utilisation and cellular energy production, supporting mental and physical performance.
Overview
Cordyceps is traditionally used to enhance stamina and vitality, with effects that extend to mental energy and resilience. While it is more commonly associated with physical performance, its ability to improve oxygen efficiency and reduce fatigue can support sustained cognitive output. Effects tend to build gradually, making it more suitable for consistent use.
The evidence
Cordyceps is a medicinal mushroom traditionally used for energy and stamina. Most research targets exercise performance and fatigue rather than cognition, and even there the controlled trials are mixed — some show improved high-intensity exercise tolerance, others no benefit to endurance. Direct cognitive evidence in humans is minimal; any mental benefit is an indirect, energy-and-fatigue story.
How to dose it
Exercise studies commonly use 1–3 g/day of a characterised extract (e.g. CS-4 or Cordyceps militaris), taken for several weeks.
When to take it
Chronic.
Safety & side effects
Generally well tolerated; occasional mild GI upset. Product identity and potency vary widely between brands.
Who should avoid it
Take care, and ask a clinician, if you are on anticoagulants, immunosuppressants, or diabetes medication. Choose tested products, as the mushroom species and quality vary. Not well studied in pregnancy.
References
Related ingredients
Graded entries that target the same cognitive goals.
Categories
Draft — the dose, safety and evidence notes on this entry were prepared from the published literature and are pending editorial and clinical review.
Educational information, not medical advice. The evidence grade is KÖGN’s editorial assessment of published research, not a health claim. Speak to a qualified clinician before changing what you take.