Shea’s Apothecary Iodine tincture is available in its colloidal, 99% bioavailable state, which makes it highly potent for supporting and saturating the thyroid for overall proper functioning. You can take our EnerG-Iodine tincture with your thyroid medication. This tincture optimizes thyroid and metabolism functions, protects against radiation, Boosts mood, prevents hair loss, has powerful antioxidants, and is a natural antiseptic. A complete herbal package in one tincture.