Metals & Nutrients – Urine Profile Dried Urine: I, Se, Br, Li, As, Cd, Hg, Crtn

Metals & Nutrients - Urine Profile We are all, to varying degrees exposed to the elements iodine, bromine, lithium, selenium, arsenic, mercury, and cadmium. Iodine is an essential component of T3 and T4, so its deficiency has a serious impact on thyroid hormone synthesis, while bromine in excess competes with iodine in the thyroid, but small amounts are thought to play an essential role in the body. Selenium is a component of the selenoproteins, including the deiodinases that convert inactive T4 to active T3, and glutathione peroxidase, an important antioxidant which prevents free radical damage to tissues. Arsenic and mercury reduce selenium’s bioavailability and disrupt thyroid health. Arsenic, mercury, and cadmium represent 3 of the 4 most toxic heavy metals according to the CDC. Lithium is important for brain health in trace amounts but is toxic when used in excessive amounts pharmacologically. Metals & Nutrients - Urine Profile includes: Iodine, Selenium, Bromine, Lithium,