Cordyceps (CS-4 / Militaris)

Cordyceps: Endurance · oxygen utilization · vitality. Functional mushroom traditionally used to support stamina, lung function, and aerobic capacity at altitude. Standard dose 1000 mg, taken in the morning, about $22/month. Evidence rating: moderate evidence.

What is Cordyceps?

Cordyceps is a genus of parasitic fungi traditionally harvested from the Tibetan plateau, where it has been used for centuries to support stamina, sexual vitality, and respiratory function. Modern supplements use cultivated forms, primarily CS-4 (a Cordyceps sinensis strain) and Cordyceps militaris, which produce the same active compounds (cordycepin and adenosine derivatives) sustainably and at scale. Research suggests cordyceps may improve oxygen utilization (VO2 max), exercise tolerance, and energy production in skeletal muscle by enhancing ATP synthesis. Typical doses range from 1,000-3,000 mg per day. It pairs well with cordyceps-containing pre-workouts or coffee blends.

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