Alpha Glyceryl Phosphoryl Choline (Alpha GPC) delivers choline in a form that crosses the blood-brain barrier easily. People take it to sharpen focus, memory, and concentration. Athletes also use it before training to support physical output and the bodys growth hormone response.
A typical dose lands in the morning or 30 to 60 minutes before exercise. You can take it with or without food, though taking it alongside a meal often prevents mild stomach upset.
Headaches, digestive issues, or trouble sleeping show up in some users. The compound can amplify the effect of drugs that work on acetylcholine. Speak with a doctor if you take any such medication.