Berries, cruciferous vegetables like broccoli and kale, salmon, turkey, and yogurt are 5 foods that may help ease symptoms of hyperthyroidism. Berries and cruciferous veggies contain antioxidants and can decrease thyroid hormones to reduce symptoms. Salmon contains vitamin D and omega-3 fatty acids that prevent bone loss and support health. Turkey and yogurt provide protein for energy, muscle, and weight gain while dairy helps prevent osteoporosis.