How can I make my own Ramen seasoning?

Who doesn’t like ramen? It’s great! But the flavor packets are kinda gross, most of them have chicken/beef/shrimp/???? powder in them (I’m a vegetarian), and have a lot of MSG (which may not necessarily be bad for you, who knows?). So I am interested in creating my own dry seasoning that I can just throw a spoonful of into the pot when the ramen is done cooking, much like the seasoning packets it comes with. They usually use anti-caking agents to keep the powder from clumping (http://en.wikipedia.org/wiki/Anti-caking_agent), so does anyone know if they can be omitted/where I can get some? I wouldnt necessarily be against putting in MSG, although it strikes me as a little weird…