If you’ve been doing internet searches to learn how to manage a chronic health condition, chances are you’re heard of leaky gut. Leaky gut is what it sounds like — the lining of the intestines have become “leaky,” allowing undigested foods, bacteria, and other undesirables into the sterile bloodstream.

This causes system-wide inflammation that becomes chronic health issues: autoimmune diseases such as Hashimoto’s hypothyroidism, chronic pain, brain fog, food allergies and sensitivities, depression, eczema, asthma, and myriad other complaints.

It makes sense, then, that people want to heal leaky gut.

However, it’s best to know why you have leaky gut first. That way you’re not chasing down the wrong remedies.

Eleven causes of leaky gut

Although we understand the role of leaky gut in chronic health disorders, the underlying causes of leaky gut itself can be harder to pin down.

Here are the causes we know about:

1. Many inflammatory foods damage the intestinal walls, leading to leaky gut. Gluten in particular is associated with leaky gut. Dairy, processed foods, excess sugar, and fast foods are other culprits.
2. Excess