12XP
Added to standard care, it slightly improved scores in people with mild cognitive impairment, in small and mostly regional trials.
Alpha-GPC
A naturally occurring brain choline source, found in trace amounts in eggs and dairy
Often taken withCaffeine, L-Tyrosine, Omega-3
Evidence-backed benefits
How Alpha-GPC can help, goal by goal, with the studies behind each score.
How to read XP
Each score is for this supplement and that specific goal, not a general rating.
XP combines how reliable the research is with how much difference it usually makes. Higher means stronger evidence for that supplement and that goal.
Limited<15 XPModest15–27 XPModerate28–44 XPReliable45–69 XPHigh70+ XP
Dosage
What studies commonly use for Alpha-GPC, and how it is usually taken.
Usual dose
300–600 mg per day
How to take it
- 30–60 min before activity
- Split into several doses
See study range
300–1,200 mg/day
Your journey
Cognitive Decline comes first (week 9 → month 6); Cognitive Decline takes longest (week 9 → month 6). An estimate from the studies' timelines, not a promise: everyone responds differently.
From the first noticeable effect to roughly full strength. Colour follows the XP tier of each benefit.
Make it a habit
These gains come from steady use, not a single dose. Keep Alpha-GPC in your routine for about month 6 before you judge it.
Safety
What to know before you take Alpha-GPC.
Safety rating
Well tolerated
Mild effects, if any.
- Can disturb sleepOnly if taken close to bedtime.
General information, not medical advice. If you are pregnant, take medication or have a health condition, check with a doctor or pharmacist first.
Common pairings
Supplements and habits often combined with Alpha-GPC.
Caffeine
Often combined in focus stacks
L-Tyrosine
Both used for focus under mental demand
Omega-3
Omega-3s are a building block of brain cell membranes
Where to buy
Brands we looked at for Alpha-GPC, with our quality score for each.
No listings for this country yet.
Authority
Public figures who take or recommend Alpha-GPC. Portraits are AI-generated, not real photos, and this is not an endorsement.
Andrew Huberman
Neuroscientist
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