Other

Alpha-GPC

Other studied for acetylcholine support, cognitive focus, power output. How it works, the dose and timing studied, what it interacts with, and the research behind the grade.

Grade C evidence early: mostly mechanism or small studies Also known as L-alpha-glycerylphosphorylcholine
All compounds
Best for Acetylcholine support, Cognitive focus, Power output
Typical dose 300–600 mg
Timing Before cognitive work or training
Category Other
How it works

What it is and the mechanism

A highly bioavailable choline source that crosses the blood-brain barrier and provides substrate for acetylcholine, a neurotransmitter central to attention, memory, and muscle activation.

Dose and timing

When and how much to take

The dose below reflects the range used in published research. Match the form alongside the milligrams. Set your own wake and bed times to map the timing onto your day.

Timing visualizer

When to take Alpha-GPC

Dose: 300–600 mg. Set your own wake and bed times to map the guidance onto your day.

12a6a12p6pDAY1 dose
12 pmAnytime. Timing is flexible. Pick a slot you can keep consistent.

These statements have not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease.

Before you stack it

Interactions and cautions

Read these before combining this with other supplements or medication. The risk is rarely the headline, it is the interaction you did not check.

Interactions
  • Anticholinergic drugs, opposing action
  • Scopolamine, may counteract
Cautions
  • Headache or GI upset in some users
  • One observational study linked high intake to vascular risk; human RCT evidence is limited
Stacking

What pairs well, and what to keep apart

Derived from shared topics, complementary categories, and the interaction list. Introduce one compound at a time so you can tell what works.

Keep apart from

No direct compound conflicts derived. Still check the interactions list above against your medication.

Explore more

Compounds in the same topics

Often considered alongside this one. Each carries its own evidence grade.