Head-to-head evidence comparison — which supplement is right for you?
Caffeine and Cordyceps are closely matched across evidence, studies, and safety.
Compound
Mushroom
100-200mg
Morning, 30-60 minutes before exercise
Pill/capsule for precise dosing
1000-3000mg
Morning or pre-workout
Cordyceps militaris extract (fruiting body)
15-45 minutes
30-60 minutes
30-60 minutes
30-60 minutes
1-4 weeks
2-4 weeks
Effect of Acute Caffeine Intake on the Fat Oxidation Rate during Exercise: A Systematic Review and Meta-Analysis
Nutrients (2020) · Meta analysis · n=2020
A subsequent meta-analysis was performed using the random effects model to calculate the standardized mean difference (SMD).
The effects of caffeine intake on weight loss: a systematic review and dos-response meta-analysis of randomized controlled trials
Critical reviews in food science and nutrition (2019) · Meta analysis · n=606
Thirteen RCTs with 606 participants were included in the meta-analyses.
Early versus Late Caffeine Therapy Administration in Preterm Neonates: An Updated Systematic Review and Meta-Analysis
Neonatology (2024) · Meta analysis · n=122579
A total of 122,579 patients from 11 studies were included, 2 were randomized controlled trials (RCTs), and 63.9% of the neonates received early caffeine administration.
Cordyceps sinensis (a traditional Chinese medicine) for treating chronic kidney disease
The Cochrane database of systematic reviews (2014) · Meta analysis · n=1746
We found that Cordyceps preparation, as an adjuvant therapy to conventional medicine, showed potential promise to decrease serum creatinine, increase creatine clearance, reduce proteinuria and alleviate CKD-associated complications, such as increased haemoglobin and serum albumin.
Adjuvant treatment with Cordyceps sinensis for lung cancer: A systematic review and meta-analysis of randomized controlled trials
Journal of ethnopharmacology (2024) · Meta analysis · n=928
Compared with conventional treatment, adjuvant treatment with CS of lung cancer not only improve TRR, QOL and immune function, but also reduce the incidence of ADRs and radiation pneumonitis.
Efficacy of Cordyceps sinensis as an adjunctive treatment in hemodialysis patients: a systematic review and Meta-analysis
Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan (2019) · Meta analysis · n=655
However, there was no significant improvement for serum creatinine and low-density lipoprotein cholesterol.
Both Caffeine and Cordyceps are closely matched — the best choice depends on your specific health goals.
For boost daily energy, Caffeine has a higher relevance score (98 vs 70).
No known interactions between Caffeine and Cordyceps have been documented in our database. However, always consult a healthcare provider before combining supplements.