L-Theanine
B
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
4 studies automatically classified as direct human evidence
Positive 3 · No clear difference 0 · Mixed 1 · Negative 0
Goal Browse
Focus
Ingredients linked to focus, memory, and cognitive function research.
Attention, memory, or a particular test?
Reaction time, a memory test, and perceived focus are different outcomes. Distinguish test scores from everyday functioning.
Healthy adults, sleep-deprived participants, and people with cognitive conditions are different populations. A single-session result differs from a longer observation.
Relevant ingredients
Creatine
C
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
2 studies automatically classified as direct human evidence
Positive 2 · No clear difference 0 · Mixed 0 · Negative 0
Bacopa
C
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
1 studies automatically classified as direct human evidence
Positive 1 · No clear difference 0 · Mixed 0 · Negative 0
Rhodiola
C
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
1 studies automatically classified as direct human evidence
Positive 1 · No clear difference 0 · Mixed 0 · Negative 0
Ashwagandha
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
No direct evidence for general supplement use is confirmed under the current standard.
Beetroot Extract
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
The linked research coverage is not broad enough to confirm a tier for this goal yet.
Caffeine
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
No direct evidence for general supplement use is confirmed under the current standard.
Coenzyme Q10
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
The linked research coverage is not broad enough to confirm a tier for this goal yet.
Ginkgo
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
No direct evidence for general supplement use is confirmed under the current standard.
Melatonin
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
The linked research coverage is not broad enough to confirm a tier for this goal yet.
Omega-3
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
No direct evidence for general supplement use is confirmed under the current standard.
Tyrosine
Not rated yet
Research focus: Cognition, memory, and focus
Potential benefit studied in Cognition and focus.
Direct evidence for general supplement use is limited under the current standard.
2 human studies in a specific clinical context are available separately.