Mental clarity
The subjective sense of thinking clearly, as opposed to feeling foggy. It is measured on self-report scales, often alongside objective cognitive tests that do not always agree with them.
87 supplements analyzed and ranked by clinical evidence.
Supplements87
Supplement Evidence
Main Effects
Sulforaphane4214
Clearer processing (+p<0.05)
Behavior improved (−34%)
ADHD symptoms improved (d>1.0)
Moderate
Theanine3915
Faster attention RTs
Better ERP attention
+38 ms
faster, sharper attention
−30 to −150 ms
Moderate