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In clinical studies, alpha-GPC dosage ranged from 250 to 1,200mg/day. Here’s a breakdown of the dosing regimens:
- Alzheimer’s disease and dementia: 400 mg, 3X daily for 6 – 12 months
- Stroke recovery: 1,000 mg daily for 1 month (as injections); 400 mg orally, 3X daily for 5 months afterward
- Athletic performance: 250 mg daily for 1 week; 600 mg daily for 1 – 6 days
- Eyesight: 400 mg, 2X daily for 2 months
According to anecdotal evidence, the dosage for nootropic effects ranges from 400 to 1,200 mg/day, but no studies have confirmed this. You might want to start on the lower end and track your response. *
Some people take alpha-GPC in a one-off daily dose, usually in the morning. Others prefer to break their daily alpha-GPC dosage down into two or more doses, usually taken with meals throughout the day. The most important thing is that you take alpha-GPC daily since it requires consistency to work effectively.
Give alpha-GPC about two weeks to create a systemic response in the body. You should begin to experience the full effects of alpha-GPC after about two weeks of daily dosing.
Most sources recommend taking 400 mg of alpha-GPC once daily for preventative effects or 300-400 mg twice daily for other potential benefits, like boosting athletic performance.
It is recommended to take alpha-GPC every day for the greatest benefit.*