Now Foods Alpha GPC,300 Mg,60 Vcaps (Pack of 3)

Alpha GPC is a natural physiological precursor to acetyl-choline, a neurotransmitter that is involved in memory and other cognitive functions.* Alpha GPC is more bioavailable than other forms of choline and is known to cross the blood brain barrier. In the brain and other neural tissues, Alpha GPC becomes a constituent of cell membranes.*