L-theanine evidence, 2008
Haskell CF, Kennedy DO, Milne AL, et al., Biological Psychology, 2008 — crossover RCT of theanine, caffeine, and their combination
- Grade
- Design
- crossover rct
- Year
- 2008
- Participants
- 24
- Ingredient
- L-theanine
- Goal
- Focus
Effect
Theanine 250 mg plus caffeine 150 mg improved attention-task accuracy and self-rated alertness beyond either compound alone.
Limitations and notes
No reviewer notes on this record yet.