Quick Verdict
Caffeine
Most consumed psychoactive. Adenosine antagonist. Well-established ergogenic aid across nearly all exercise modalities.
Evidence: strong (1300+ studies)
Curcumin (Turmeric)
Polyphenol from turmeric root. Potent anti-inflammatory via NF-κB inhibition. Poor bioavailability — requires piperine o
Evidence: strong (200+ studies)
Side-by-Side Comparison
| Caffeine | Curcumin (Turmeric) | |
|---|---|---|
| Category | performance | anti-inflammatory |
| Evidence Level | strong | strong |
| Studies | 1300+ | 200+ |
| Dosage | 3-6 mg/kg | 500-1500 mg |
Stack Compatibility
Caffeine: L-theanine (1:2 ratio caffeine:theanine), Creatine, Tyrosine
Curcumin (Turmeric): Omega-3 (anti-inflammatory synergy), Boswellia, Ginger, Vitamin D
Which Should You Choose?
Both serve different purposes. Choose based on your priority.