This Lugol's iodine 2% solution is a solution of iodine and potassium iodide in distilled water, and is used as a topical disinfectant and antiseptic, an emergency water disinfectant, a starch test, staining for microscopy, as an iodine source for saltwater aquariums, plants nutrients and for other uses. Lugol's Iodine solution is the original formula invented by the French physician Jacques Lugol in 1829. This solution comes in an amber glass bottle with an dropper cap. All ingredients are of USP grade. The average daily Japanese consumption of iodine ranges from 5,280 to 13,800 mg of iodine, over 25 times more iodine than Americans and Europeans due to their daily consumption of sea vegetables etc., and they have reduced rates of many chronic diseases. They also enjoy the No. 1 lowest obesity rate in the developed world, including the lowest rates of cancer, and they live longer and healthier than everyone on Earth. If you need diferent concentration of the solution please contact us, we have available! SHIPPING: Free international worldwide shipping (2-4 weeks delivery). Expedited international shipping with tracking number 5-10 days delivery Disclaimer These product have not been evaluated by the Food and Drug Administration. This products is not intended to diagnose, treat, cure, or prevent any disease. Many countries has specific regulations, some countries may restrict imports some goods. Please be aware that import customs clearance is your responsibility and it is beyond of our control.