Cholinergic · C8H20NO6P · 257.22 g/mol · CAS 28319-77-9
Alpha-GPC is a phospholipid form of choline that crosses the blood-brain barrier and rapidly elevates brain acetylcholine — the neurotransmitter for memory, focus, and motor control.
Alpha-GPC is roughly 40% choline by weight in a form that survives digestion intact and crosses the blood-brain barrier within minutes. Once in the brain, it donates choline to the synthesis of acetylcholine, the neurotransmitter that controls attention, learning, and muscle activation. It also contributes to the synthesis of phosphatidylcholine, a structural component of every neuronal membrane. In athletes, Alpha-GPC has been shown to acutely increase circulating growth hormone and improve power output.
300-600mg per serving for cognition; 300mg pre-workout for power output. Plopii Focus Pouches contain Alpha-GPC alongside citicoline for dual-pathway choline delivery.
Alpha-GPC is generally well-tolerated. Mild side effects (headache, GI upset) occur at higher doses (>1g). Some recent observational studies have raised questions about long-term high-dose use and stroke risk; the data is not conclusive but moderation is prudent.
Both are bioavailable choline sources. Alpha-GPC is roughly 40% choline by weight and tends to act faster; CDP-choline (citicoline) is roughly 18% choline but also donates cytidine, which converts to uridine and supports membrane phospholipid synthesis. Many formulations stack both.
Yes — daily use at 300-600mg has been studied for months in clinical trials with good tolerability. Avoid mega-doses and consult a physician if you have cardiovascular history.
No, but stimulants increase the brain’s demand for acetylcholine. Pairing Alpha-GPC with caffeine or paraxanthine often produces a noticeably cleaner focus state than the stimulant alone.
These statements have not been evaluated by the FDA. Plopii products are not intended to diagnose, treat, cure, or prevent any disease.