What Is Alpha-GPC?
Alpha-GPC (L-alpha-glycerylphosphorylcholine) is a natural choline compound found in the brain and breast milk. It is one of the most effective choline donors — it easily crosses the blood-brain barrier and supplies choline for acetylcholine synthesis. Acetylcholine is the main neurotransmitter responsible for memory, learning, and concentration.
🧪 What the Science Says
🧠 Memory Improvement
Research with Alzheimer's patients showed that Alpha-GPC (1200 mg/day) significantly improved cognitive tests. Effects in healthy people indicate better working memory.
💪 Growth Hormone
600 mg Alpha-GPC before training was studied for its effect on growth hormone and strength outcomes.
🏋️ Sports Performance
Alpha-GPC (600 mg) 45 min before training increased strength and explosive power. Mechanism: increased acetylcholine levels improve neuromuscular junction efficiency.
🧪 Choline Forms Comparison
Alpha-GPC contains 40% pure choline. Citicoline — 18%, choline bitartrate — 40% (but crosses the BBB less well). CDP-choline — good, but more expensive.
📋 Dosage Recommendations
- For cognitive function: 300-600 mg per day, preferably in the morning
- For sports (GH stimulation): 600 mg 45-60 min before training
- For an intensive period: Up to 1200 mg per day (divided into 2 doses)
- With or without food: Better on an empty stomach to avoid competition with other substances
- Do not exceed: 1200 mg per day without medical supervision
🛒 Recommended Products
❓ Frequently Asked Questions
Alpha-GPC vs Citicoline — Which Is Better?
Alpha-GPC contains more pure choline (40% vs 18%) and stimulates GH better. Citicoline has an additional uridine component that is beneficial for brain membrane repair. Both are excellent — choose according to your goal.
Can Alpha-GPC Be Taken Daily?
Yes, 300-600 mg per day is safe for long-term use. Some users take breaks on weekends to avoid tolerance, but this is not necessary.