Your coffee gives you energy. Then it takes it away.

A 2025 systematic review and meta-analysis across multiple studies confirmed that fungal supplementation, including Cordyceps, produces measurable improvements in endurance performance and immune markers in adult athletes.

Comprehensive review confirming that hericenones and erinacines from Lion's Mane stimulate Nerve Growth Factor (NGF) synthesis, promote neuroplasticity, and demonstrate neuroprotective effects across multiple preclinical models.

Athletes supplementing with 1g/day of Cordyceps for 3 weeks showed improved blood oxygen saturation (SpO2 maintained at 95% vs. 60-75% in controls), enhanced running performance, and significantly reduced fatigue markers during intense exercise.

A mushroom blend including Lion's Mane produced significant reductions in cortisol and ACTH levels, along with improved subjective stress scores and better sleep quality across an 8-week intervention period.

A randomized, double-blind, placebo-controlled crossover trial in 14 young adults found that Cordyceps supplementation accelerated stem cell recruitment from 24 hours to 3 hours post-exercise, with a 51% increase in CD34+ stem cells at 3 hours (p=0.002).

A double-blind, placebo-controlled, parallel-group study in 22 long-distance runners showed that Cordyceps preserved hemoglobin, hematocrit, and ferritin levels over 16 weeks of heavy training (p<0.05), while the placebo group showed significant declines.

A double-blind RCT found that a single dose of Lion's Mane improved processing speed (Stroop task) within 60 minutes. After 28 days of chronic supplementation, a trend toward reduced subjective stress was also observed.

Researchers at the University of Queensland discovered novel compounds (NDPIH, hericene A) in Lion's Mane that boost neuron growth via an entirely new pan-neurotrophic pathway independent of the TrkB receptor. The study significantly enhanced hippocampal spatial memory in mice.

Cordyceps supplementation increased hepatic ATP levels by 45-55% through enhanced mitochondrial respiratory chain efficiency and Krebs cycle activation, translating to measurably improved swim-to-exhaustion times in the animal model.

79 adults supplementing with 1.68g Cordyceps daily for 8 weeks showed a 38.8% increase in natural killer cell activity compared to placebo, demonstrating meaningful immune system enhancement without adverse effects.

A 49-week human trial demonstrated that Lion's Mane supplementation improved MMSE scores in the treatment group while the placebo group showed cognitive decline. Preclinical components showed 19.4% decreased microglia clusters and 43.3% decreased astrocytes.

Healthy young adults supplemented with Cordyceps militaris for 3 weeks showed significant improvements in VO2max (+4.8 ml/kg/min) and time to exhaustion compared to placebo. This double-blind RCT at UNC Chapel Hill is one of the most-cited studies on Cordyceps and athletic performance.

Lion's Mane extract accelerated nerve regeneration in a crush injury model, with treated subjects showing earlier return of limb function and higher myelination rates compared to controls.

This UCLA double-blind, placebo-controlled, prospective trial in 20 adults (ages 50-75) showed a +10.5% increase in metabolic threshold (p<0.02) over 12 weeks, meaning participants could exercise longer before switching from fat to glycogen burning.

A randomized, double-blind, placebo-controlled trial in menopausal women found significant reductions in depression and anxiety scores after just 4 weeks of Lion's Mane supplementation. The study suggests mechanisms beyond anti-inflammatory effects, including improved neurotrophin signaling.

A 16-week double-blind RCT demonstrated that Lion's Mane supplementation significantly improved cognitive function scores in older adults with mild cognitive impairment. Benefits declined after discontinuation, suggesting ongoing use is optimal.