Dr. Ashley LucasPhD Nutritionist & Dietitian | Owner & Founder PHD Weight Loss & Dr. Ashley Wellness

The vegetables that might be destroying your digestion

12 Nov 2025 · 1 min

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Dr. Ashley Lucas explains how nightshades like tomatoes and peppers contain alkaloids that may trigger joint stiffness and brain fog, while cruciferous vegetables can cause digestive disruption and material buildup on the colon.

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Most inflammatory vegetables to avoid why they could be negatively impacting your health. Nightshades are vegetables like tomatoes, potatoes, eggplant, peppers. They do contain specific compounds called alkaloids. They can cause joint stiffness, brain fog, digestive issues. The next type of veggie is a cruciferous veggie. It can cause a lot of digestive issues. Leafy, it can get stuck to the outside of the colon and it can cause a lot of disruption, diarrhe distress.