Thompson’s One-A-Day Kelp 1400 is a plant-based rich source of iodine to support healthy thyroid gland function. Kelp is a plant-based rich source of Iodine, an important trace mineral to support: Healthy thyroid gland function and aid thyroid hormone production Body metabolism General health and wellbeing Directions Adults: Take one tablet daily (with food), or as professionally prescribed. Store below 30C in a cool, dry place. Ingredients Each tablet contains active ingredients: Fucus vesiculosus (Kelp) ext. 280mg, …derived from dry whole plant min. 1.4 g (1400 mg), ……std. to contain Iodine 280 microgram. Contains tabletting aids. Warnings Keep out of reach of children. Always read the label. Use only as directed. If symptoms persist consult your healthcare professional. Do not use if bottle and/or cap seal is missing or broken.