That classic clickbait phrasing (“the reason why is in the comments below!”) usually points to viral social media videos or posts about foods that are generally healthy, but require caution for specific health conditions.
While cabbage is packed with vitamins (like C and K), fiber, and antioxidants, it isn’t ideal for everyone in large amounts. The groups who typically need to exercise caution with cabbage include:
1. People with Thyroid Issues (Hypothyroidism)
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The Reason: Cabbage contains compounds called goitrogens. In high amounts, especially when eaten raw, goitrogens can interfere with the body’s ability to absorb iodine and produce thyroid hormones, potentially worsening an underactive thyroid.
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Note: Cooking cabbage significantly reduces its goitrogenic activity.
2. Individuals with IBS or Sensitive Stomachs
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The Reason: Cabbage is rich in insoluble fiber and contains complex sugars (FODMAPs) that can be difficult to digest. For people with Irritable Bowel Syndrome (IBS), chronic gastritis, or frequent bloating, raw cabbage can trigger severe gas, cramping, and diarrhea.
3. People Taking Blood-Thinning Medications (e.g., Warfarin)
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The Reason: Cabbage is very high in Vitamin K, which plays a vital role in blood clotting. Sudden, large increases in Vitamin K intake can counteract and interfere with the effectiveness of anticoagulant medications. Consistency is key for anyone on these medications.
4. Those Prone to Kidney Stones
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The Reason: Cabbage contains moderate amounts of oxalates, which can bind with calcium in the urinary tract and contribute to kidney stone formation in susceptible individuals.
For the average person, a serving of coleslaw, sauerkraut, or cooked cabbage is completely fine and nutritious. But if someone has a thyroid condition or a sensitive digestive tract, moderation (and cooking it thoroughly) makes all the difference.
Did the post you were looking at highlight one of these specific reasons, or something else entirely?
