Comprehensive Thyroid Gland SupportDietary SupplementA healthy thyroid gland not only acts as the body\'s thermostat, but it\'s also one of the major regulators of metabolism, including fat burning for energy.Life Extension introduces Triple Action Thyroid, a formulation that combines critical nutrients that have been scientifically demonstrated to support healthy thyroid function.Optimal thyroid function can help improve energy levels, motivation, metabolism, healthy weight management, and concentration.