Mixed evidenceother
Alpha-GPC (Choline Alfoscerate) for Brain Fog
Same acetylcholine-precursor mechanism; an acute dose is thought to transiently raise brain choline availability, sharpening attention and processing speed.
How strong is the research?
Mixed evidence
Regular alpha-GPC use over 10 years associated with 46% higher stroke risk; a safety caveat for framing any 'take this for daily mental clarity' claim, even though the acute-dose trial above didn't test long-term use.
How much to take
315–630 mg