Cordyceps Militaris vs Fadogia Agrestis

Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.

Cordyceps MilitarisFadogia Agrestis
CategoryAdaptogensAdaptogens
Standard Dose1000-3000mg daily (fruiting body extract) or 500-1000mg (concentrated 10:1 extract)400-600mg daily
TimingMorning or pre-workout (energizing). Avoid evening dosing.Morning with food.
Cycle DurationCycle 8-12 weeks on, 2 weeks off, or continuousCycle 4-8 weeks on, 2-4 weeks off (limited long-term safety data)
Evidence Levelmoderate_humananimal_plus_anecdotal

Mechanism

Cordyceps contains cordycepin (3'-deoxyadenosine) and adenosine, which modulate purinergic signaling. Cordycepin activates AMPK, inhibits mTOR, and modulates adenosine receptors (A1, A2A, A3). It enhances cellular ATP production by upregulating mitochondrial biogenesis genes and improving oxygen utilization efficiency. Cordyceps increases EPO production (erythropoietin) via HIF-1alpha stabilization, enhancing oxygen-carrying capacity. Beta-glucans (1,3/1,6) activate innate immune cells via Dectin-1 and complement receptor 3 (CR3). It also relaxes bronchial smooth muscle and enhances adrenal hormone production.

Standard Dosing

1000-3000mg daily (fruiting body extract) or 500-1000mg (concentrated 10:1 extract)

Timing

Morning or pre-workout (energizing). Avoid evening dosing.

Cycle Duration

Cycle 8-12 weeks on, 2 weeks off, or continuous

Side Effects

  • Mild GI upset
  • Dry mouth
  • Insomnia if taken late
  • Rare: nausea
  • Rare: allergic reaction in mold-sensitive individuals

Contraindications

  • Autoimmune conditions (immunostimulatory)
  • Bleeding disorders
  • Pre-surgery (discontinue 2 weeks prior)

Best Stacking Partners

RhodiolaBeta-AlanineBeetroot PowderCoQ10
B

Fadogia Agrestis

Adaptogens

Mechanism

Fadogia agrestis stem extract contains saponins and alkaloids that appear to increase luteinizing hormone (LH) release from the anterior pituitary, stimulating Leydig cell testosterone production. Animal studies suggest it may also have direct effects on testicular steroidogenic enzymes and may increase testicular weight. The saponin content may modulate gonadotropin-releasing hormone (GnRH) pulse frequency. The aphrodisiac effects are likely mediated through increased testosterone and possibly direct effects on dopaminergic and nitrergic pathways.

Standard Dosing

400-600mg daily

Timing

Morning with food.

Cycle Duration

Cycle 4-8 weeks on, 2-4 weeks off (limited long-term safety data)

Side Effects

  • Limited human safety data
  • Testicular toxicity at high doses in animal studies
  • Potential liver stress
  • GI discomfort
  • Insomnia

Contraindications

  • Hormone-sensitive cancers
  • Testicular pathology
  • Pregnancy/lactation
  • Children/adolescents
  • Liver disease

Best Stacking Partners

Tongkat AliAshwagandhaBoronZinc

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