Evidence-based reviews
Evidence on brain fog, focus, and cognitive energy.
Clearhead Lab reads the primary research so you don't have to — separating what holds up from the marketing that doesn't. No hype, every claim sourced, editorially independent.
The research
What the evidence actually shows
Research library — coming soon
We're preparing our first evidence-based reviews. Every piece will be fully sourced and editorially independent. Check back shortly.
Evidence-based
Every conclusion traces back to primary research or official labeling.
Every claim sourced
Inline citations to the studies — including the null results and caveats.
Editorially independent
Conclusions reflect evidence and judgment, never the size of a commission.
Read how we research and rank in our editorial policy, and how we stay independent on our about page.