MSG and anti caking?????

[olddogsbbq]

I have devloped what I feel is a great rub. I have let several people sample the rub for me. All results came back great. That being sad I'm moving forward with devloment. I keep hearing and reading about MSG and anti caking agents. I know my rub needs something for caking. I've add problems with it myself. I just don't know much about "tricalcium phosphate, Silicon Dioxide, Citric acid, or Monosodiom Glutamate." I see these ingredients in alot of rubs in the stores. Can anyone help me out?? I don't want to just start throwing things in my rub I don't need. I aslo dont want to leave the wow out either.

Thanks alot

[Gator]

Silicon Dioxide, 2% is max.

[Gator]

As far as I know these are all natural flavors given to the food, but still you can ask any expert or you ask in the shop also.

What???