"They noted that any ill effects were mild and short-lived, and were typically associated with large doses (more than 3 grams) of MSG that were consumed without food.
Most people don't ingest MSG on its own, and since most recipes call for a scant amount — 1/4 to 1/2 teaspoon per pound of meat (enough to feed four to six people) — it's unlikely you'd consume it in high enough quantities to be affected.
Bottom line: Take the claims around MSG with a grain of salt"