The Benefits of Amino Acids for Hashimoto's Dr. Izabella Wentz, PharmD Levothyroxine (Synthroid, Tirosint, Levoxyl) is a medication for treating hypothyroidism (underactive thyroid), a condition that is more common in people with Down syndrome. Health care providers usually recommend taking levothyroxine with water NAC for Thyroid Health Dr. Izabella Wentz, Pharm D Glutathione Therapy Specialist in Orlando, FL Send this to someone who always travels really well. Incorporating these four supplements into your travel routine helps you maintain essential vitamin and nutrient levels to fully embrace each day Frontiers The protective role of nutritional antioxidants against oxidative stress in thyroid disorders