Cabbage contains a substance called goitrin, which can disrupt the thyroid’s ability to produce hormones. Over time, this interference may cause the thyroid gland to swell—leading to complications that especially affect older adults, such as fatigue, weight gain, and cold sensitivity.
But that doesn’t mean you have to give it up completely.
Still, it’s best to talk with your doctor or endocrinologist before making cabbage a regular part of your diet if your thyroid is already under strain.
2. People with Digestive Disorders: When Fiber Does More Harm Than Good
Cabbage is rich in fiber, which is typically a good thing—especially for regularity and gut health.
But for people with sensitive digestive systems, irritable bowel syndrome (IBS), chronic diarrhea, or frequent bloating, cabbage can act more like a trigger than a helper.
Its natural sugars and high fiber content can lead to gas, cramping, and discomfort. For seniors already dealing with slower digestion or a finicky stomach, that’s a recipe for distress.
If this sounds like you, gentler vegetables like steamed carrots, peeled zucchini, or mashed sweet potatoes might be better options. They’re softer on the system and still give you essential vitamins without the upset.
3. People with Histamine Sensitivities or Eye Allergies
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