Alpha-GPC (L-alpha-glycerylphosphorylcholine) is a chemical made in the body from choline. It is also made in a lab and used in dietary supplements.
Alpha-GPC seems to increase the levels of a chemical in the brain called acetylcholine. This brain chemical is important for memory and learning functions.
People use alpha-GPC for Alzheimer disease, stroke, memory and thinking skills, and other conditions, but there is no good scientific evidence to support these uses.
In some countries in Europe, alpha-GPC is a prescription drug. In the US, alpha-GPC is only available as a dietary supplement. Don't confuse alpha-GPC with choline, lecithin, or phosphatidylcholine. These are not the same.
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