Why does iceberg lettuce upset my stomach?

Pre-diagnosis, iceberg lettuce is the only food that would routinely give me D. Gluten didn't bother me but iceberg lettuce would do me in. read more

Because lettuce is such a bland food, it may seem unlikely that it would cause stomach pain. However, lettuce is considered a gas-forming food. Eating lettuce increases your chances of developing bloating, gas pain and belching. read more

Other types of lettuce contain even more fiber than iceberg lettuce, so if you have difficulty tolerating iceberg lettuce, other types of lettuce may affect you more severely. Gas Pains Iceberg lettuce can also cause stomach cramps by increasing the amount of gas in the intestines. read more