NOW Foods Alpha GPC Cognitive Support is a highly bioavailable source of choline that supports memory, focus, and overall mental acuity. As a natural precursor to acetyl-choline a key neurotransmitter for brain function Alpha GPC easily crosses the blood-brain barrier and contributes to healthy neural activity and cell membrane structure. Ideal for vegetarians and vegans, this supplement is GMP quality assured and made by a trusted family-owned company.