SupplementDuel

Alpha-GPC

Nootropic

The most bioavailable choline source for the brain. Boosts acetylcholine for focus, learning, and athletic power output.

focusmemorypower-outputacetylcholine
Typical dose
300–600 mg
Evidence
Moderate (some RCTs)
Onset time
Acute: 60–90 min
Half-life
~6 hours
Forms
Capsule, Powder
Source
synthetic
Best taken with
with food
Best time of day
morning
Bioavailability
5/5
Safety rating
4/5
Price per serving
$0.70
Vegan / GF / 3rd-party
✓ / ✓ / ✓
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Vetted brands, third-party testing, ships worldwide.

Common uses

  • • Focus
  • • Memory
  • • Power output
  • • Cognitive aging

Effect profile

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Common side effects

  • • Headache
  • • Heartburn
  • • Insomnia (high doses)

Avoid if

  • • Stroke history (consult MD)

Drug interactions

  • • Anticholinergics

Related nootropic supplements

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Medical disclaimer

SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements.