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Performance

Cordyceps (Cordyceps militaris)

Also known as: Cordyceps militaris, cordyceps extract, cordyceps mycelium, yartsa gunbu

C
Evidence

Cordyceps militaris is a parasitic fungus traditionally used in Himalayan and Tibetan medicine to support energy and stamina. Limited human evidence suggests potential benefits for aerobic performance and fatigue, though study quality is modest.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

  • energy support
  • athletic performance
  • oxygen utilization
  • stamina

How it works

  • adenosine triphosphate (ATP) synthesis enhancement
  • mitochondrial function support
  • oxygen uptake and utilization
  • lactate clearance

Dosage

Typical range
1,000–3,000 mg daily (dried mycelium biomass)
Timing
morning or pre-exercise for optimal energy support
With food
may be taken with or without food
Duration
May require 4–8 weeks for performance effects; safe for chronic use
Special populations
Athletes should verify compliance with sport-specific anti-doping regulations

Forms

  • mycelium biomass on rice· 70/100
  • extract· 70/100
  • powder· 70/100

Safety

Common side effects

  • rare: mild GI upset, insomnia if taken late in day

Contraindications

  • stimulant sensitivity
  • uncontrolled hypertension (potential stimulant-like effects)

Evidence notes

Few human clinical trials exist; most evidence is from animal and in vitro studies. Limited small human studies show mixed results for athletic performance. More rigorous RCTs needed.

Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.