I've avoided MSG by reading labels, but I was surprised to learn that looking for MSG or it's full name is not enough. There are other ingredients that have MSG or qualities of MSG too! Take a look at these articles to learn more.
http://blog.fooducate.com/nutrition-101/quick-food-facts/the-many-names-of-monosodium-glutamate/
http://health.howstuffworks.com/wellness/food-nutrition/facts/the-dangers-of-monosodium-glutamate.htm