A way to achieve faster reflexes is to eat more spinach and eggs. According to research out of Leiden University and the University of Amsterdam, ingesting tyrosine increases your reaction speed. Tyrosine is found in such foods as cottage cheese, soya, and the aforementioned spinach and eggs.
Really, though, you should just go ahead and watch the above video for more information. It features a Kraftwerk soundtrack and 60’s psychedelic transitions. You know, exactly what you’d think of when talking about food and science.