BrainEssence (Brain Essence), 60 Tablets, Pure Essence LabsPure Essence Brain Essence Dietary Supplement. Promotes Problem Solving Skills and Clearer Memory. Vinpocetine, Acetyl L Carnitine (ALCAR), Phosphatidylserine (PS), and Mucuna pruriens increase neurotransmitters and neurotransmitter receptors. PS supports healthy brain cell membranes. ALCAR, Alpha Lipoic Acid (ALA), Rhodiola, and Vinpocetine support glucose metabolism, oxygen utilization, and ATP production in brain cells. Rhodiola, Ashwagandha, and