Alpha GPC (alpha-glycerylphosphorylcholine) is a dietary supplement that is often used to improve cognitive function, particularly memory and focus. It is a natural choline compound that is present in small amounts in some foods, but it is also available as a dietary supplement. Some people take Alpha GPC at night for better sleep and cognitive performance.
Alpha GPC is known to increase the level of acetylcholine in the brain, which is a neurotransmitter that is involved in memory and cognitive function. It is also believed to have a role in promoting deep sleep. A study published in the Journal of the International Society of Sports Nutrition found that Alpha GPC may improve sleep quality in athletes. The study participants who took Alpha GPC supplements for 12 weeks reported better sleep quality and recovery compared to those who took a placebo.
Another study published in the Journal of Clinical Sleep Medicine found that Alpha GPC supplements may improve sleep quality in elderly individuals with insomnia. The study participants who took Alpha GPC supplements for 12 weeks reported better sleep quality and shorter time to fall asleep compared to those who took a placebo.
It's important to note that while these studies are promising, more research is needed to confirm the effects of Alpha GPC on sleep. The studies were small, and the results may not apply to everyone. Additionally, the exact mechanism by which Alpha GPC improves sleep is not well understood.
It's also important to note that taking any supplement at night, including Alpha GPC, may not be suitable for everyone and it is important to consult with a healthcare professional before taking it, particularly if you are taking any other medications or have any underlying medical condition.
In conclusion, there is some evidence to suggest that Alpha GPC supplements may improve sleep quality, but more research is needed to confirm these findings. The exact mechanism by which Alpha GPC improves sleep is not well understood. Taking any supplement at night, including Alpha GPC, may not be suitable for everyone, and it is important to consult with a healthcare professional before taking it. As always, it's important to consult with a healthcare professional before taking any new supplements or making any major changes to your diet or medication routine.