[Last updated 7th March, 2023] Autoimmune diseases and digestive issues are more common than ever before. There are several theories why, but a condition called Leaky Gut Syndrome is the most popular. Its emergence has created a huge market for new supplements and associated products. But just how big of a problem is it? This article is a sales-free look at what we currently understand about leaky gut syndrome. What is Leaky Gut Syndrome? Leaky gut (syndrome) is a condition characterized by damage to the lining of the gut (intestine). It’s said to be the cause of numerous digestive disorders and autoimmune diseases, such as Crohn’s disease and Hashimoto’s disease. At least, theoretically (1, 2). However, it has never actually been proven as the cause of any disease-state or illness. In fact, the name leaky gut is not a legitimate medical condition, but rather a marketing … Continue reading What Is Leaky Gut Syndrome and Is It Even Real? A Sales-Free Look