In this task, you're given a review from Amazon's food products. Your task is to generate a short summary of the given review in the input. Note that you don't need to write a complete sentence as a summary.
Q: I like the taste of this dressing, but realized that it contains the additive mono sodium gluconate. This chemical gives me migraines, which is very difficult to tolerate. I am sorry to say that I will no longer purchase this dressing unless they remove this flavor enhancer.
A:
Contains MSG!