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Effects · mind adverse

Brain Fog

Subjective feeling of reduced mental clarity, difficulty concentrating, formulating thoughts, slowed cognitive processes. Described as 'cotton wool' or 'fog' in the head.

Supplements
38
Practices
38
Habits
58
How we rate evidence

Probability — how likely the effect is to show up

  • Very high
  • High
  • Medium
  • Low

Evidence — where the data comes from

  • Scientific Meta-analyses and randomized trials
  • Clinical Clinical trials and practice
  • Animal research Animal studies
  • People reports User reports and anecdotes
  • Theoretical Mechanistic reasoning, not yet tested

Reported as a side effect of (134)

Probability Very high 4 High 23 Medium 42 Low 65
Evidence Clinical 28 People reports 101 Theoretical 5

Mitigated by (12)

Related effects