AlphaSize is known for its ability to reach high concentrations inside cells, while SerinAid is a crucial building block for cell membranes. With Natural Brain Enhancers, you can experience the synergistic effects of these two powerful nutrients in one convenient supplement ...AlphaSize is known for its ability to reach high concentrations inside cells, while SerinAid is a crucial building block for cell membranes. With Natural Brain Enhancers, you can experience the synergistic effects of these two powerful nutrients in one convenient supplement.