What is a leaky gut?

Ask the doctor

Q. My doctor says I might have a "leaky gut," and a friend says she heard the same thing from her doctor. What is a "leaky gut?"

A. Sometimes a new idea struggles to be accepted by doctors, and sometimes new ideas are exploited by quacks. Both are true with "leaky gut."

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »