Alpha-GPC (Alpha-Glycerophosphocholine)
Choline donor. Rapidly crosses the blood-brain barrier, raising acetylcholine levels. Used to support cognitive function and as a GH amplifier pre-workout.
This compound sits in research-grey territory. The caveats below carry more weight than for FDA-approved entries — read them.
Most bioavailable oral choline source. European studies show benefit in early Alzheimer's. Joe Rogan-popularized nootropic stack anchor. Pre-workout use (600 mg) potentiates GH secretagogue response. CDP-Choline (citicoline) is an alternative with slightly different kinetics.
May cause fishy body odor (choline conversion to TMAO in some individuals). Some report low mood on very high doses (excess cholinergic tone). TMAO from choline supplementation has contested cardiovascular implications.
Per-claim grading. Each claim is graded independently — same peptide, different claims can carry different grades.
- CLimited evidence
Alpha-GPC (Alpha-Glycerophosphocholine) — primary mechanism: choline donor. rapidly crosses the blood-brain barrier, raising acetylcholine levels. used to support cognitive function and as a gh amplifier pre-workout.
2 supporting referencesVerified 5d ago
External links to PubMed searches, ClinicalTrials.gov, and FDA materials. We do not host papers — we point at canonical sources.
Dietary supplement. Classified as prescription drug in EU (some countries).