MindTech Pill Fatty and fried foods are also considered bad foods for Hypothyroidism. Patients who are affected by Hypothyroidism due to autoimmune disorder like Hashimoto's disease generally find it difficult to consume gluten-rich foods because their body mistakenly attacks gluten, thereby leading to damage to the surrounding gut area. The symptoms of Hypothyroidism can be avoided by making some changes to the diet and avoiding the consumption of certain foods which can aggravate the condition. This only means that your energy levels rise and then fall later on. There is no consistency in the amount of energy that is present in your body.