The ingredients in Vinco’s Thyroid Gland have been shown to support the health and function of the thyroid.The thyroid gland, located at the front of the neck and rich with blood vessels, secretes several hormones that play roles throughout the body. These hormones influence metabolism, growth and development and body temperature. They also play a critical role in the brain development of children.The main hormone produced by the thyroid is thyroxine, or T4. If levels are too high or too low, an array of symptoms can occur, interrupting your daily life and impacting your overall health.