Healthy thyroid levels are dependent on the presence of many trace elements from your diet such as iodine and selenium for the synthesis of thyroid hormones. Caruso's Thyroid Manager® is formulated to assist thyroid hormone production. [FORMULATION] Each film coated tablet contains: Tyrosine 1g (1,000mg) Ascorbic Acid (Vitamin C) 40mg Zinc Oxide 18.67mg Equiv. to Zinc 15mg Thiamine Hydrochloride 11.21mg Equiv. to Thiamine (Vitamin B1) 10mg Nicotinamide 10mg Pyridoxine Hydrochloride 12.16mg Equiv. to Pyridoxine (Vitamin B6) 10mg Selenomethionine 249 micrograms Equiv. to Selenium 100micrograms Potassium iodide 391 micrograms Equiv. to Iodine 299micrograms Colecalciferol (Vitamin D3) 25 micrograms Equiv. to Vitamin D3 1000IU Appearance: Pale apricot oval tablet with a break bar on one side. Tablet can be broken in half and/or crushed for ease of consumption Length: 23.2mm Width: 10.5mm Thickness: 7.2mm Flavour: None