Alpha-GPC
What this compound does
Alpha-GPC is a natural substance that helps your brain work better by providing a building block for a key brain chemical involved in thinking and memory. It may also support overall brain health by helping to protect brain cells. Some people take it to improve focus and mental clarity.
- • Students looking to boost study performance
- • Older adults wanting to maintain cognitive function
- • Individuals experiencing brain fog or lack of focus
Users may start to notice improvements in focus and memory within a few hours of taking Alpha-GPC. Effects can vary based on individual response and dosage.
- • Pregnant or breastfeeding women
- • Individuals with allergies to soy or eggs
- • Those on certain medications without consulting a doctor
Production details below.
How much, when
Peer-reviewed studies
- PMID: 24139485B
Cognitive function
Alpha-GPC increased acetylcholine levels and improved memory in controlled studies.
- PMID: 25933483B
Athletic power output
Single-dose alpha-GPC improved lower-body force production in college-age athletes.
- PMID 33978188 · 2021RCTB
Citicoline and Memory Function in Healthy Older Adults: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial
- PMID 39592468 · 2024RCTB
The effects of 3-month supplementation with synbiotic on patient-reported outcomes, exercise tolerance, and brain and muscle metabolism in adult patients with post-COVID-19 chronic fatigue syndrome (STOP-FATIGUE): a randomized Placebo-controlled clinical trial
- PMID 41547348 · 2026Mechanistic StudyB
Gut-brain cholinergic signaling mediates the antiseizure effects of Bacteroides fragilis
- PMID 37513643 · 2023Observational StudyB
Micronutrient Gaps and Supplement Use in a Diverse Cohort of Pregnant Women
Medicine interactions
- HIGH
Anticholinergic drugs· antidepressant
Alpha-GPC increases acetylcholine levels, which may counteract the effects of anticholinergic medications.
→ Consult a healthcare provider before combining.
- HIGH
Cholinesterase inhibitors· Alzheimer's treatment
Combining with these drugs may lead to excessive acetylcholine levels.
→ Avoid concurrent use unless supervised by a physician.
- MODERATE
Blood thinners· anticoagulant
Alpha-GPC may have mild blood-thinning effects.
→ Monitor for increased bleeding risk.
This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.