Beetroot Powder (Nitrates) vs Cordyceps Militaris

Mechanism

Beetroot provides dietary nitrate (NO3-) which is reduced to nitrite (NO2-) by oral commensal bacteria (Veillonella, Rothia), then further reduced to nitric oxide (NO) in acidic/hypoxic environments (stomach, exercising muscle). This nitrate-nitrite-NO pathway is oxygen-independent, complementing the L-arginine/eNOS pathway. NO enhances exercise performance by: reducing the oxygen cost of submaximal exercise (improved mitochondrial efficiency via Complex V and Complex IV modulation), enhancing blood flow to exercising muscle (vasodilation), improving calcium handling in contractile fibers (type II muscle fiber recruitment efficiency), and enhancing glucose uptake.

Standard Dosing

400-800mg dietary nitrate daily (equivalent to ~500ml beetroot juice or 6-12g concentrated powder)

Timing

2-3 hours before exercise (peak plasma nitrite at 2-3h post-ingestion). For chronic supplementation: morning dosing. Do NOT use antibacterial mouthwash (kills oral nitrate-reducing bacteria, ablating the pathway).

Cycle Duration

Event-based loading (3-7 days) or ongoing daily supplementation

Side Effects

• Red/pink urine and stools (beeturia — harmless but alarming to uninformed clients)
• GI discomfort
• Mild hypotension
• Potential kidney stone contribution (oxalate content)

Contraindications

• Kidney stones (beetroot high in oxalates)
• Hemochromatosis (beetroot contains iron)
• G6PD deficiency (methemoglobin concern at very high nitrite levels)

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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)

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