ProtokolPROTOKOL
NootropicEmergingNootropic

Alpha-GPC

Half-life

~4-6 hours

What is Alpha-GPC?

Highly bioavailable choline source. Raises acetylcholine levels in the brain. Also used with GH peptides.

How Alpha-GPC works

Provides bioavailable choline for acetylcholine synthesis and phospholipid support in neuronal membranes.

Benefits & uses

  • Supports memory & focus
  • Raises acetylcholine
  • May improve power output pre-workout

Common uses: Cognitive function, acetylcholine support, memory, focus, potentiates GH peptides.

CognitiveMuscle

Alpha-GPC dosage

Typical dose
300–600 mg daily

Alpha-GPC half-life

~4-6 hours

Alpha-GPC side effects

Headaches at high doses if choline-sensitive. Body odor (TMAO metabolism).

  • Headache if overdosed
  • GI upset
  • Fishy odor rarely
  • Generally well tolerated
  • Headache if choline is too high

Commonly stacked with

Huperzine ALion's Mane Mushroom

Track Alpha-GPC in Protokol.

Log doses, model half-lives, check interactions, and line it all up against your bloodwork. Free on iPhone and Android.

Download on the App StoreGet it on Google Play

More Nootropic

For research and educational purposes only. This page is not medical advice and is not a recommendation to use any compound. Many compounds listed are not approved for human use, and some are prescription-only or controlled in your jurisdiction. Dosing figures are reference or observational reports. Talk to a qualified healthcare provider before starting, stopping, or changing anything. Protokol is for tracking purposes only.