Fulhealth Industries Molecular Colloidal Iodine 3% W/W Size: 10ml Bottle (oral liquid)  If you need more than 1 just let me know. Molecular Iodine Colloid is an essential trace element for humans and is used in the synthesis of thyroid hormones Dosage The recommended dietary intake for adults ranges from 0.03mg/day to 0.15mg/day*. For emergency disinfection of water add 3 drops per litre of water and let stand for 30min. Concentration 1.2mg Iodine/drop. Contains alcohol. *NHMRC Guidelines.