“Doctors Reveal That Eating Cabbage Causes…” — What Does It Really Cause?

This viral headline is missing important context. For most people, cabbage is a nutritious vegetable and is safe to eat regularly.

🥬 What cabbage can actually cause

1. Gas and bloating
Cabbage contains fermentable carbohydrates and fiber, so large amounts can cause gas, bloating or abdominal discomfort, particularly in people with sensitive digestion. (Cleveland Clinic)

2. A possible thyroid concern—but mainly with extreme intake
Cabbage and other cruciferous vegetables contain compounds that can interfere with iodine utilization. However, a recent systematic review found that reasonable amounts of cruciferous vegetables generally don’t adversely affect thyroid function in humans, especially when iodine intake is adequate. (PubMed)

There are rare case reports involving very large quantities of raw cabbage consumed for months, which should not be confused with eating ordinary servings. (PubMed Central (PMC))

3. An interaction with warfarin
Cabbage contains vitamin K. If you’re taking warfarin, suddenly changing how much vitamin-K-rich food you eat can affect anticoagulation. The goal is usually consistent intake, not necessarily avoiding cabbage altogether. (Office of Dietary Supplements)

🥗 The good news

Cabbage provides fiber, vitamin C, vitamin K and other plant compounds and can be part of a healthy diet. There is no good evidence that ordinary cabbage consumption is dangerous for healthy people. (Acibadem Hospitals Group)

Bottom line: The phrase “eating cabbage causes…” is clickbait unless it specifies the amount, preparation and the person involved. Normal servings of cabbage are generally safe; excessive raw consumption, digestive sensitivity, iodine deficiency, or warfarin use are situations where extra attention may be appropriate.